31000620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2431

約数の個数: 96

約数和(自身を含む): 102445056

約数和(自身を除く): 71444436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2381, 2604, 3255, 4340, 4762, 6510, 7143, 9524, 11905, 13020, 14286, 16667, 23810, 28572, 33334, 35715, 47620, 50001, 66668, 71430, 73811, 83335, 100002, 142860, 147622, 166670, 200004, 221433, 250005, 295244, 333340, 369055, 442866, 500010, 516677, 738110, 885732, 1000020, 1033354, 1107165, 1476220, 1550031, 2066708, 2214330, 2583385, 3100062, 4428660, 5166770, 6200124, 7750155, 10333540, 15500310, 31000620]

約数ペア:

[(1, 31000620), (2, 15500310), (3, 10333540), (4, 7750155), (5, 6200124), (6, 5166770), (7, 4428660), (10, 3100062), (12, 2583385), (14, 2214330), (15, 2066708), (20, 1550031), (21, 1476220), (28, 1107165), (30, 1033354), (31, 1000020), (35, 885732), (42, 738110), (60, 516677), (62, 500010), (70, 442866), (84, 369055), (93, 333340), (105, 295244), (124, 250005), (140, 221433), (155, 200004), (186, 166670), (210, 147622), (217, 142860), (310, 100002), (372, 83335), (420, 73811), (434, 71430), (465, 66668), (620, 50001), (651, 47620), (868, 35715), (930, 33334), (1085, 28572), (1302, 23810), (1860, 16667), (2170, 14286), (2381, 13020), (2604, 11905), (3255, 9524), (4340, 7143), (4762, 6510)]