31997600

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 85494528

約数和(自身を除く): 53496928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 37, 40, 46, 47, 50, 74, 80, 92, 94, 100, 115, 148, 160, 184, 185, 188, 200, 230, 235, 296, 368, 370, 376, 400, 460, 470, 575, 592, 736, 740, 752, 800, 851, 920, 925, 940, 1081, 1150, 1175, 1184, 1480, 1504, 1702, 1739, 1840, 1850, 1880, 2162, 2300, 2350, 2960, 3404, 3478, 3680, 3700, 3760, 4255, 4324, 4600, 4700, 5405, 5920, 6808, 6956, 7400, 7520, 8510, 8648, 8695, 9200, 9400, 10810, 13616, 13912, 14800, 17020, 17296, 17390, 18400, 18800, 21275, 21620, 27025, 27232, 27824, 29600, 34040, 34592, 34780, 37600, 39997, 42550, 43240, 43475, 54050, 55648, 68080, 69560, 79994, 85100, 86480, 86950, 108100, 136160, 139120, 159988, 170200, 172960, 173900, 199985, 216200, 278240, 319976, 340400, 347800, 399970, 432400, 639952, 680800, 695600, 799940, 864800, 999925, 1279904, 1391200, 1599880, 1999850, 3199760, 3999700, 6399520, 7999400, 15998800, 31997600]

約数ペア:

[(1, 31997600), (2, 15998800), (4, 7999400), (5, 6399520), (8, 3999700), (10, 3199760), (16, 1999850), (20, 1599880), (23, 1391200), (25, 1279904), (32, 999925), (37, 864800), (40, 799940), (46, 695600), (47, 680800), (50, 639952), (74, 432400), (80, 399970), (92, 347800), (94, 340400), (100, 319976), (115, 278240), (148, 216200), (160, 199985), (184, 173900), (185, 172960), (188, 170200), (200, 159988), (230, 139120), (235, 136160), (296, 108100), (368, 86950), (370, 86480), (376, 85100), (400, 79994), (460, 69560), (470, 68080), (575, 55648), (592, 54050), (736, 43475), (740, 43240), (752, 42550), (800, 39997), (851, 37600), (920, 34780), (925, 34592), (940, 34040), (1081, 29600), (1150, 27824), (1175, 27232), (1184, 27025), (1480, 21620), (1504, 21275), (1702, 18800), (1739, 18400), (1840, 17390), (1850, 17296), (1880, 17020), (2162, 14800), (2300, 13912), (2350, 13616), (2960, 10810), (3404, 9400), (3478, 9200), (3680, 8695), (3700, 8648), (3760, 8510), (4255, 7520), (4324, 7400), (4600, 6956), (4700, 6808), (5405, 5920)]