71385820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 172730880

約数和(自身を除く): 101345060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 67, 110, 116, 134, 145, 167, 220, 268, 290, 319, 334, 335, 580, 638, 668, 670, 737, 835, 1276, 1340, 1474, 1595, 1670, 1837, 1943, 2948, 3190, 3340, 3674, 3685, 3886, 4843, 6380, 7348, 7370, 7772, 9185, 9686, 9715, 11189, 14740, 18370, 19372, 19430, 21373, 22378, 24215, 36740, 38860, 42746, 44756, 48430, 53273, 55945, 85492, 96860, 106546, 106865, 111890, 123079, 213092, 213730, 223780, 246158, 266365, 324481, 427460, 492316, 532730, 615395, 648962, 1065460, 1230790, 1297924, 1622405, 2461580, 3244810, 3569291, 6489620, 7138582, 14277164, 17846455, 35692910, 71385820]

約数ペア:

[(1, 71385820), (2, 35692910), (4, 17846455), (5, 14277164), (10, 7138582), (11, 6489620), (20, 3569291), (22, 3244810), (29, 2461580), (44, 1622405), (55, 1297924), (58, 1230790), (67, 1065460), (110, 648962), (116, 615395), (134, 532730), (145, 492316), (167, 427460), (220, 324481), (268, 266365), (290, 246158), (319, 223780), (334, 213730), (335, 213092), (580, 123079), (638, 111890), (668, 106865), (670, 106546), (737, 96860), (835, 85492), (1276, 55945), (1340, 53273), (1474, 48430), (1595, 44756), (1670, 42746), (1837, 38860), (1943, 36740), (2948, 24215), (3190, 22378), (3340, 21373), (3674, 19430), (3685, 19372), (3886, 18370), (4843, 14740), (6380, 11189), (7348, 9715), (7370, 9686), (7772, 9185)]