1977822440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 5182531200

約数和(自身を除く): 3204708760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 109, 110, 115, 121, 163, 184, 218, 220, 230, 242, 253, 326, 436, 440, 460, 484, 506, 545, 605, 652, 815, 872, 920, 968, 1012, 1090, 1199, 1210, 1265, 1304, 1630, 1793, 2024, 2180, 2398, 2420, 2507, 2530, 2783, 3260, 3586, 3749, 4360, 4796, 4840, 5014, 5060, 5566, 5995, 6520, 7172, 7498, 8965, 9592, 10028, 10120, 11132, 11990, 12535, 13189, 13915, 14344, 14996, 17767, 17930, 18745, 19723, 20056, 22264, 23980, 25070, 26378, 27577, 27830, 29992, 35534, 35860, 37490, 39446, 41239, 47960, 50140, 52756, 55154, 55660, 65945, 71068, 71720, 74980, 78892, 82478, 88835, 98615, 100280, 105512, 110308, 111320, 131890, 137885, 142136, 149960, 157784, 164956, 177670, 195437, 197230, 206195, 220616, 263780, 275770, 303347, 329912, 355340, 390874, 394460, 408641, 412390, 453629, 527560, 551540, 606694, 710680, 781748, 788920, 817282, 824780, 907258, 977185, 1103080, 1213388, 1516735, 1563496, 1634564, 1649560, 1814516, 1954370, 2043205, 2149807, 2268145, 2426776, 3033470, 3269128, 3629032, 3908740, 4086410, 4299614, 4495051, 4536290, 6066940, 7817480, 8172820, 8599228, 8990102, 9072580, 10749035, 12133880, 16345640, 17198456, 17980204, 18145160, 21498070, 22475255, 35960408, 42996140, 44950510, 49445561, 85992280, 89901020, 98891122, 179802040, 197782244, 247227805, 395564488, 494455610, 988911220, 1977822440]

約数ペア:

[(1, 1977822440), (2, 988911220), (4, 494455610), (5, 395564488), (8, 247227805), (10, 197782244), (11, 179802040), (20, 98891122), (22, 89901020), (23, 85992280), (40, 49445561), (44, 44950510), (46, 42996140), (55, 35960408), (88, 22475255), (92, 21498070), (109, 18145160), (110, 17980204), (115, 17198456), (121, 16345640), (163, 12133880), (184, 10749035), (218, 9072580), (220, 8990102), (230, 8599228), (242, 8172820), (253, 7817480), (326, 6066940), (436, 4536290), (440, 4495051), (460, 4299614), (484, 4086410), (506, 3908740), (545, 3629032), (605, 3269128), (652, 3033470), (815, 2426776), (872, 2268145), (920, 2149807), (968, 2043205), (1012, 1954370), (1090, 1814516), (1199, 1649560), (1210, 1634564), (1265, 1563496), (1304, 1516735), (1630, 1213388), (1793, 1103080), (2024, 977185), (2180, 907258), (2398, 824780), (2420, 817282), (2507, 788920), (2530, 781748), (2783, 710680), (3260, 606694), (3586, 551540), (3749, 527560), (4360, 453629), (4796, 412390), (4840, 408641), (5014, 394460), (5060, 390874), (5566, 355340), (5995, 329912), (6520, 303347), (7172, 275770), (7498, 263780), (8965, 220616), (9592, 206195), (10028, 197230), (10120, 195437), (11132, 177670), (11990, 164956), (12535, 157784), (13189, 149960), (13915, 142136), (14344, 137885), (14996, 131890), (17767, 111320), (17930, 110308), (18745, 105512), (19723, 100280), (20056, 98615), (22264, 88835), (23980, 82478), (25070, 78892), (26378, 74980), (27577, 71720), (27830, 71068), (29992, 65945), (35534, 55660), (35860, 55154), (37490, 52756), (39446, 50140), (41239, 47960)]