378400880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 240

約数和(自身を含む): 1086097152

約数和(自身を除く): 707696272

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 97, 104, 110, 121, 124, 130, 143, 155, 176, 194, 208, 220, 242, 248, 260, 286, 310, 341, 388, 403, 440, 484, 485, 496, 520, 572, 605, 620, 682, 715, 776, 806, 880, 968, 970, 1040, 1067, 1144, 1210, 1240, 1261, 1364, 1430, 1552, 1573, 1612, 1705, 1936, 1940, 2015, 2134, 2288, 2420, 2480, 2522, 2728, 2860, 3007, 3146, 3224, 3410, 3751, 3880, 4030, 4268, 4433, 4840, 5044, 5335, 5456, 5720, 6014, 6292, 6305, 6448, 6820, 7502, 7760, 7865, 8060, 8536, 8866, 9680, 10088, 10670, 11440, 11737, 12028, 12584, 12610, 13640, 13871, 15004, 15035, 15730, 16120, 17072, 17732, 18755, 20176, 21340, 22165, 23474, 24056, 25168, 25220, 27280, 27742, 30008, 30070, 31460, 32240, 33077, 35464, 37510, 39091, 42680, 44330, 46948, 48112, 48763, 50440, 55484, 58685, 60016, 60140, 62920, 66154, 69355, 70928, 75020, 78182, 85360, 88660, 93896, 97526, 100880, 110968, 117370, 120280, 125840, 132308, 138710, 150040, 152581, 156364, 165385, 177320, 187792, 195052, 195455, 221936, 234740, 240560, 243815, 264616, 277420, 300080, 305162, 312728, 330770, 354640, 363847, 390104, 390910, 430001, 469480, 487630, 529232, 554840, 610324, 625456, 661540, 727694, 762905, 780208, 781820, 860002, 938960, 975260, 1109680, 1220648, 1323080, 1455388, 1525810, 1563640, 1720004, 1819235, 1950520, 2150005, 2441296, 2646160, 2910776, 3051620, 3127280, 3440008, 3638470, 3901040, 4300010, 4730011, 5821552, 6103240, 6880016, 7276940, 8600020, 9460022, 12206480, 14553880, 17200040, 18920044, 23650055, 29107760, 34400080, 37840088, 47300110, 75680176, 94600220, 189200440, 378400880]

約数ペア:

[(1, 378400880), (2, 189200440), (4, 94600220), (5, 75680176), (8, 47300110), (10, 37840088), (11, 34400080), (13, 29107760), (16, 23650055), (20, 18920044), (22, 17200040), (26, 14553880), (31, 12206480), (40, 9460022), (44, 8600020), (52, 7276940), (55, 6880016), (62, 6103240), (65, 5821552), (80, 4730011), (88, 4300010), (97, 3901040), (104, 3638470), (110, 3440008), (121, 3127280), (124, 3051620), (130, 2910776), (143, 2646160), (155, 2441296), (176, 2150005), (194, 1950520), (208, 1819235), (220, 1720004), (242, 1563640), (248, 1525810), (260, 1455388), (286, 1323080), (310, 1220648), (341, 1109680), (388, 975260), (403, 938960), (440, 860002), (484, 781820), (485, 780208), (496, 762905), (520, 727694), (572, 661540), (605, 625456), (620, 610324), (682, 554840), (715, 529232), (776, 487630), (806, 469480), (880, 430001), (968, 390910), (970, 390104), (1040, 363847), (1067, 354640), (1144, 330770), (1210, 312728), (1240, 305162), (1261, 300080), (1364, 277420), (1430, 264616), (1552, 243815), (1573, 240560), (1612, 234740), (1705, 221936), (1936, 195455), (1940, 195052), (2015, 187792), (2134, 177320), (2288, 165385), (2420, 156364), (2480, 152581), (2522, 150040), (2728, 138710), (2860, 132308), (3007, 125840), (3146, 120280), (3224, 117370), (3410, 110968), (3751, 100880), (3880, 97526), (4030, 93896), (4268, 88660), (4433, 85360), (4840, 78182), (5044, 75020), (5335, 70928), (5456, 69355), (5720, 66154), (6014, 62920), (6292, 60140), (6305, 60016), (6448, 58685), (6820, 55484), (7502, 50440), (7760, 48763), (7865, 48112), (8060, 46948), (8536, 44330), (8866, 42680), (9680, 39091), (10088, 37510), (10670, 35464), (11440, 33077), (11737, 32240), (12028, 31460), (12584, 30070), (12610, 30008), (13640, 27742), (13871, 27280), (15004, 25220), (15035, 25168), (15730, 24056), (16120, 23474), (17072, 22165), (17732, 21340), (18755, 20176)]