140205972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 343465920

約数和(自身を除く): 203259948

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 89, 129, 142, 172, 178, 213, 258, 267, 284, 356, 426, 516, 534, 852, 1068, 1849, 3053, 3698, 3827, 5547, 6106, 6319, 7396, 7654, 9159, 11094, 11481, 12212, 12638, 15308, 18318, 18957, 22188, 22962, 25276, 36636, 37914, 45924, 75828, 131279, 164561, 262558, 271717, 329122, 393837, 493683, 525116, 543434, 658244, 787674, 815151, 987366, 1086868, 1575348, 1630302, 1974732, 3260604, 11683831, 23367662, 35051493, 46735324, 70102986, 140205972]

約数ペア:

[(1, 140205972), (2, 70102986), (3, 46735324), (4, 35051493), (6, 23367662), (12, 11683831), (43, 3260604), (71, 1974732), (86, 1630302), (89, 1575348), (129, 1086868), (142, 987366), (172, 815151), (178, 787674), (213, 658244), (258, 543434), (267, 525116), (284, 493683), (356, 393837), (426, 329122), (516, 271717), (534, 262558), (852, 164561), (1068, 131279), (1849, 75828), (3053, 45924), (3698, 37914), (3827, 36636), (5547, 25276), (6106, 22962), (6319, 22188), (7396, 18957), (7654, 18318), (9159, 15308), (11094, 12638), (11481, 12212)]