387804560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 160

約数和(自身を含む): 1072431360

約数和(自身を除く): 684626800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 109, 110, 130, 143, 176, 208, 218, 220, 260, 286, 311, 436, 440, 520, 545, 572, 622, 715, 872, 880, 1040, 1090, 1144, 1199, 1244, 1417, 1430, 1555, 1744, 2180, 2288, 2398, 2488, 2834, 2860, 3110, 3421, 4043, 4360, 4796, 4976, 5668, 5720, 5995, 6220, 6842, 7085, 8086, 8720, 9592, 11336, 11440, 11990, 12440, 13684, 14170, 15587, 16172, 17105, 19184, 20215, 22672, 23980, 24880, 27368, 28340, 31174, 32344, 33899, 34210, 40430, 44473, 47960, 54736, 56680, 62348, 64688, 67798, 68420, 77935, 80860, 88946, 95920, 113360, 124696, 135596, 136840, 155870, 161720, 169495, 177892, 222365, 249392, 271192, 273680, 311740, 323440, 338990, 355784, 372889, 440687, 444730, 542384, 623480, 677980, 711568, 745778, 881374, 889460, 1246960, 1355960, 1491556, 1762748, 1778920, 1864445, 2203435, 2711920, 2983112, 3525496, 3557840, 3728890, 4406870, 4847557, 5966224, 7050992, 7457780, 8813740, 9695114, 14915560, 17627480, 19390228, 24237785, 29831120, 35254960, 38780456, 48475570, 77560912, 96951140, 193902280, 387804560]

約数ペア:

[(1, 387804560), (2, 193902280), (4, 96951140), (5, 77560912), (8, 48475570), (10, 38780456), (11, 35254960), (13, 29831120), (16, 24237785), (20, 19390228), (22, 17627480), (26, 14915560), (40, 9695114), (44, 8813740), (52, 7457780), (55, 7050992), (65, 5966224), (80, 4847557), (88, 4406870), (104, 3728890), (109, 3557840), (110, 3525496), (130, 2983112), (143, 2711920), (176, 2203435), (208, 1864445), (218, 1778920), (220, 1762748), (260, 1491556), (286, 1355960), (311, 1246960), (436, 889460), (440, 881374), (520, 745778), (545, 711568), (572, 677980), (622, 623480), (715, 542384), (872, 444730), (880, 440687), (1040, 372889), (1090, 355784), (1144, 338990), (1199, 323440), (1244, 311740), (1417, 273680), (1430, 271192), (1555, 249392), (1744, 222365), (2180, 177892), (2288, 169495), (2398, 161720), (2488, 155870), (2834, 136840), (2860, 135596), (3110, 124696), (3421, 113360), (4043, 95920), (4360, 88946), (4796, 80860), (4976, 77935), (5668, 68420), (5720, 67798), (5995, 64688), (6220, 62348), (6842, 56680), (7085, 54736), (8086, 47960), (8720, 44473), (9592, 40430), (11336, 34210), (11440, 33899), (11990, 32344), (12440, 31174), (13684, 28340), (14170, 27368), (15587, 24880), (16172, 23980), (17105, 22672), (19184, 20215)]