388153480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 1072512000

約数和(自身を除く): 684358520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 121, 124, 130, 143, 155, 199, 220, 242, 248, 260, 286, 310, 341, 398, 403, 440, 484, 520, 572, 605, 620, 682, 715, 796, 806, 968, 995, 1144, 1210, 1240, 1364, 1430, 1573, 1592, 1612, 1705, 1990, 2015, 2189, 2420, 2587, 2728, 2860, 3146, 3224, 3410, 3751, 3980, 4030, 4378, 4433, 4840, 5174, 5720, 6169, 6292, 6820, 7502, 7865, 7960, 8060, 8756, 8866, 10348, 10945, 12338, 12584, 12935, 13640, 15004, 15730, 16120, 17512, 17732, 18755, 20696, 21890, 22165, 24079, 24676, 25870, 28457, 30008, 30845, 31460, 35464, 37510, 43780, 44330, 48158, 48763, 49352, 51740, 56914, 61690, 62920, 67859, 75020, 80197, 87560, 88660, 96316, 97526, 103480, 113828, 120395, 123380, 135718, 142285, 150040, 160394, 177320, 192632, 195052, 227656, 240790, 243815, 246760, 271436, 284570, 313027, 320788, 339295, 390104, 400985, 481580, 487630, 542872, 569140, 626054, 641576, 678590, 746449, 801970, 882167, 963160, 975260, 1138280, 1252108, 1357180, 1492898, 1565135, 1603940, 1764334, 1950520, 2504216, 2714360, 2985796, 3130270, 3207880, 3528668, 3732245, 4410835, 5971592, 6260540, 7057336, 7464490, 8821670, 9703837, 12521080, 14928980, 17643340, 19407674, 29857960, 35286680, 38815348, 48519185, 77630696, 97038370, 194076740, 388153480]

約数ペア:

[(1, 388153480), (2, 194076740), (4, 97038370), (5, 77630696), (8, 48519185), (10, 38815348), (11, 35286680), (13, 29857960), (20, 19407674), (22, 17643340), (26, 14928980), (31, 12521080), (40, 9703837), (44, 8821670), (52, 7464490), (55, 7057336), (62, 6260540), (65, 5971592), (88, 4410835), (104, 3732245), (110, 3528668), (121, 3207880), (124, 3130270), (130, 2985796), (143, 2714360), (155, 2504216), (199, 1950520), (220, 1764334), (242, 1603940), (248, 1565135), (260, 1492898), (286, 1357180), (310, 1252108), (341, 1138280), (398, 975260), (403, 963160), (440, 882167), (484, 801970), (520, 746449), (572, 678590), (605, 641576), (620, 626054), (682, 569140), (715, 542872), (796, 487630), (806, 481580), (968, 400985), (995, 390104), (1144, 339295), (1210, 320788), (1240, 313027), (1364, 284570), (1430, 271436), (1573, 246760), (1592, 243815), (1612, 240790), (1705, 227656), (1990, 195052), (2015, 192632), (2189, 177320), (2420, 160394), (2587, 150040), (2728, 142285), (2860, 135718), (3146, 123380), (3224, 120395), (3410, 113828), (3751, 103480), (3980, 97526), (4030, 96316), (4378, 88660), (4433, 87560), (4840, 80197), (5174, 75020), (5720, 67859), (6169, 62920), (6292, 61690), (6820, 56914), (7502, 51740), (7865, 49352), (7960, 48763), (8060, 48158), (8756, 44330), (8866, 43780), (10348, 37510), (10945, 35464), (12338, 31460), (12584, 30845), (12935, 30008), (13640, 28457), (15004, 25870), (15730, 24676), (16120, 24079), (17512, 22165), (17732, 21890), (18755, 20696)]