31912400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 180

約数和(自身を含む): 92267532

約数和(自身を除く): 60355132

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 34, 38, 40, 50, 52, 65, 68, 76, 80, 85, 95, 100, 104, 130, 136, 152, 170, 190, 200, 208, 221, 247, 260, 272, 304, 323, 325, 340, 361, 380, 400, 425, 442, 475, 494, 520, 646, 650, 680, 722, 760, 850, 884, 950, 988, 1040, 1105, 1235, 1292, 1300, 1360, 1444, 1520, 1615, 1700, 1768, 1805, 1900, 1976, 2210, 2470, 2584, 2600, 2888, 3230, 3400, 3536, 3610, 3800, 3952, 4199, 4420, 4693, 4940, 5168, 5200, 5525, 5776, 6137, 6175, 6460, 6800, 7220, 7600, 8075, 8398, 8840, 9025, 9386, 9880, 11050, 12274, 12350, 12920, 14440, 16150, 16796, 17680, 18050, 18772, 19760, 20995, 22100, 23465, 24548, 24700, 25840, 28880, 30685, 32300, 33592, 36100, 37544, 41990, 44200, 46930, 49096, 49400, 61370, 64600, 67184, 72200, 75088, 79781, 83980, 88400, 93860, 98192, 98800, 104975, 117325, 122740, 129200, 144400, 153425, 159562, 167960, 187720, 209950, 234650, 245480, 306850, 319124, 335920, 375440, 398905, 419900, 469300, 490960, 613700, 638248, 797810, 839800, 938600, 1227400, 1276496, 1595620, 1679600, 1877200, 1994525, 2454800, 3191240, 3989050, 6382480, 7978100, 15956200, 31912400]

約数ペア:

[(1, 31912400), (2, 15956200), (4, 7978100), (5, 6382480), (8, 3989050), (10, 3191240), (13, 2454800), (16, 1994525), (17, 1877200), (19, 1679600), (20, 1595620), (25, 1276496), (26, 1227400), (34, 938600), (38, 839800), (40, 797810), (50, 638248), (52, 613700), (65, 490960), (68, 469300), (76, 419900), (80, 398905), (85, 375440), (95, 335920), (100, 319124), (104, 306850), (130, 245480), (136, 234650), (152, 209950), (170, 187720), (190, 167960), (200, 159562), (208, 153425), (221, 144400), (247, 129200), (260, 122740), (272, 117325), (304, 104975), (323, 98800), (325, 98192), (340, 93860), (361, 88400), (380, 83980), (400, 79781), (425, 75088), (442, 72200), (475, 67184), (494, 64600), (520, 61370), (646, 49400), (650, 49096), (680, 46930), (722, 44200), (760, 41990), (850, 37544), (884, 36100), (950, 33592), (988, 32300), (1040, 30685), (1105, 28880), (1235, 25840), (1292, 24700), (1300, 24548), (1360, 23465), (1444, 22100), (1520, 20995), (1615, 19760), (1700, 18772), (1768, 18050), (1805, 17680), (1900, 16796), (1976, 16150), (2210, 14440), (2470, 12920), (2584, 12350), (2600, 12274), (2888, 11050), (3230, 9880), (3400, 9386), (3536, 9025), (3610, 8840), (3800, 8398), (3952, 8075), (4199, 7600), (4420, 7220), (4693, 6800), (4940, 6460), (5168, 6175), (5200, 6137), (5525, 5776)]