939965260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 2212761600

約数和(自身を除く): 1272796340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 139, 155, 260, 278, 310, 403, 556, 620, 695, 806, 839, 1390, 1612, 1678, 1807, 2015, 2780, 3356, 3614, 4030, 4195, 4309, 7228, 8060, 8390, 8618, 9035, 10907, 16780, 17236, 18070, 21545, 21814, 26009, 36140, 43090, 43628, 52018, 54535, 56017, 86180, 104036, 109070, 112034, 116621, 130045, 218140, 224068, 233242, 260090, 280085, 338117, 466484, 520180, 560170, 583105, 676234, 1120340, 1166210, 1352468, 1516073, 1690585, 2332420, 3032146, 3381170, 3615251, 6064292, 6762340, 7230502, 7580365, 14461004, 15160730, 18076255, 30321460, 36152510, 46998263, 72305020, 93996526, 187993052, 234991315, 469982630, 939965260]

約数ペア:

[(1, 939965260), (2, 469982630), (4, 234991315), (5, 187993052), (10, 93996526), (13, 72305020), (20, 46998263), (26, 36152510), (31, 30321460), (52, 18076255), (62, 15160730), (65, 14461004), (124, 7580365), (130, 7230502), (139, 6762340), (155, 6064292), (260, 3615251), (278, 3381170), (310, 3032146), (403, 2332420), (556, 1690585), (620, 1516073), (695, 1352468), (806, 1166210), (839, 1120340), (1390, 676234), (1612, 583105), (1678, 560170), (1807, 520180), (2015, 466484), (2780, 338117), (3356, 280085), (3614, 260090), (4030, 233242), (4195, 224068), (4309, 218140), (7228, 130045), (8060, 116621), (8390, 112034), (8618, 109070), (9035, 104036), (10907, 86180), (16780, 56017), (17236, 54535), (18070, 52018), (21545, 43628), (21814, 43090), (26009, 36140)]