85923460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 214885440

約数和(自身を除く): 128961980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2039, 2107, 3010, 4078, 4214, 6020, 8156, 8428, 10195, 10535, 14273, 20390, 21070, 28546, 40780, 42140, 57092, 71365, 87677, 99911, 142730, 175354, 199822, 285460, 350708, 399644, 438385, 499555, 613739, 876770, 999110, 1227478, 1753540, 1998220, 2454956, 3068695, 4296173, 6137390, 8592346, 12274780, 17184692, 21480865, 42961730, 85923460]

約数ペア:

[(1, 85923460), (2, 42961730), (4, 21480865), (5, 17184692), (7, 12274780), (10, 8592346), (14, 6137390), (20, 4296173), (28, 3068695), (35, 2454956), (43, 1998220), (49, 1753540), (70, 1227478), (86, 999110), (98, 876770), (140, 613739), (172, 499555), (196, 438385), (215, 399644), (245, 350708), (301, 285460), (430, 199822), (490, 175354), (602, 142730), (860, 99911), (980, 87677), (1204, 71365), (1505, 57092), (2039, 42140), (2107, 40780), (3010, 28546), (4078, 21070), (4214, 20390), (6020, 14273), (8156, 10535), (8428, 10195)]