31249460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 74293800

約数和(自身を除く): 43044340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 349, 370, 407, 484, 605, 698, 740, 814, 1210, 1396, 1628, 1745, 2035, 2420, 3490, 3839, 4070, 4477, 6980, 7678, 8140, 8954, 12913, 15356, 17908, 19195, 22385, 25826, 38390, 42229, 44770, 51652, 64565, 76780, 84458, 89540, 129130, 142043, 168916, 211145, 258260, 284086, 422290, 568172, 710215, 844580, 1420430, 1562473, 2840860, 3124946, 6249892, 7812365, 15624730, 31249460]

約数ペア:

[(1, 31249460), (2, 15624730), (4, 7812365), (5, 6249892), (10, 3124946), (11, 2840860), (20, 1562473), (22, 1420430), (37, 844580), (44, 710215), (55, 568172), (74, 422290), (110, 284086), (121, 258260), (148, 211145), (185, 168916), (220, 142043), (242, 129130), (349, 89540), (370, 84458), (407, 76780), (484, 64565), (605, 51652), (698, 44770), (740, 42229), (814, 38390), (1210, 25826), (1396, 22385), (1628, 19195), (1745, 17908), (2035, 15356), (2420, 12913), (3490, 8954), (3839, 8140), (4070, 7678), (4477, 6980)]