90808900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 257233536

約数和(自身を除く): 166424636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 50, 52, 65, 68, 70, 85, 91, 100, 119, 130, 140, 170, 175, 182, 221, 238, 260, 325, 340, 350, 364, 425, 442, 455, 476, 587, 595, 650, 700, 850, 884, 910, 1105, 1174, 1190, 1300, 1547, 1700, 1820, 2210, 2275, 2348, 2380, 2935, 2975, 3094, 4109, 4420, 4550, 5525, 5870, 5950, 6188, 7631, 7735, 8218, 9100, 9979, 11050, 11740, 11900, 14675, 15262, 15470, 16436, 19958, 20545, 22100, 29350, 30524, 30940, 38155, 38675, 39916, 41090, 49895, 53417, 58700, 69853, 76310, 77350, 82180, 99790, 102725, 106834, 129727, 139706, 152620, 154700, 190775, 199580, 205450, 213668, 249475, 259454, 267085, 279412, 349265, 381550, 410900, 498950, 518908, 534170, 648635, 698530, 763100, 908089, 997900, 1068340, 1297270, 1335425, 1397060, 1746325, 1816178, 2594540, 2670850, 3243175, 3492650, 3632356, 4540445, 5341700, 6486350, 6985300, 9080890, 12972700, 18161780, 22702225, 45404450, 90808900]

約数ペア:

[(1, 90808900), (2, 45404450), (4, 22702225), (5, 18161780), (7, 12972700), (10, 9080890), (13, 6985300), (14, 6486350), (17, 5341700), (20, 4540445), (25, 3632356), (26, 3492650), (28, 3243175), (34, 2670850), (35, 2594540), (50, 1816178), (52, 1746325), (65, 1397060), (68, 1335425), (70, 1297270), (85, 1068340), (91, 997900), (100, 908089), (119, 763100), (130, 698530), (140, 648635), (170, 534170), (175, 518908), (182, 498950), (221, 410900), (238, 381550), (260, 349265), (325, 279412), (340, 267085), (350, 259454), (364, 249475), (425, 213668), (442, 205450), (455, 199580), (476, 190775), (587, 154700), (595, 152620), (650, 139706), (700, 129727), (850, 106834), (884, 102725), (910, 99790), (1105, 82180), (1174, 77350), (1190, 76310), (1300, 69853), (1547, 58700), (1700, 53417), (1820, 49895), (2210, 41090), (2275, 39916), (2348, 38675), (2380, 38155), (2935, 30940), (2975, 30524), (3094, 29350), (4109, 22100), (4420, 20545), (4550, 19958), (5525, 16436), (5870, 15470), (5950, 15262), (6188, 14675), (7631, 11900), (7735, 11740), (8218, 11050), (9100, 9979)]