31899140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 96

約数和(自身を含む): 87381504

約数和(自身を除く): 55482364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1031, 1105, 1190, 1547, 1820, 2062, 2210, 2380, 3094, 4124, 4420, 5155, 6188, 7217, 7735, 10310, 13403, 14434, 15470, 17527, 20620, 26806, 28868, 30940, 35054, 36085, 53612, 67015, 70108, 72170, 87635, 93821, 122689, 134030, 144340, 175270, 187642, 227851, 245378, 268060, 350540, 375284, 455702, 469105, 490756, 613445, 911404, 938210, 1139255, 1226890, 1594957, 1876420, 2278510, 2453780, 3189914, 4557020, 6379828, 7974785, 15949570, 31899140]

約数ペア:

[(1, 31899140), (2, 15949570), (4, 7974785), (5, 6379828), (7, 4557020), (10, 3189914), (13, 2453780), (14, 2278510), (17, 1876420), (20, 1594957), (26, 1226890), (28, 1139255), (34, 938210), (35, 911404), (52, 613445), (65, 490756), (68, 469105), (70, 455702), (85, 375284), (91, 350540), (119, 268060), (130, 245378), (140, 227851), (170, 187642), (182, 175270), (221, 144340), (238, 134030), (260, 122689), (340, 93821), (364, 87635), (442, 72170), (455, 70108), (476, 67015), (595, 53612), (884, 36085), (910, 35054), (1031, 30940), (1105, 28868), (1190, 26806), (1547, 20620), (1820, 17527), (2062, 15470), (2210, 14434), (2380, 13403), (3094, 10310), (4124, 7735), (4420, 7217), (5155, 6188)]