129224740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 281562624

約数和(自身を除く): 152337884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 811, 1028, 1285, 1622, 2570, 3244, 4055, 5140, 7967, 8110, 15934, 16220, 25141, 31868, 39835, 50282, 79670, 100564, 125705, 159340, 208427, 251410, 416854, 502820, 833708, 1042135, 2084270, 4168540, 6461237, 12922474, 25844948, 32306185, 64612370, 129224740]

約数ペア:

[(1, 129224740), (2, 64612370), (4, 32306185), (5, 25844948), (10, 12922474), (20, 6461237), (31, 4168540), (62, 2084270), (124, 1042135), (155, 833708), (257, 502820), (310, 416854), (514, 251410), (620, 208427), (811, 159340), (1028, 125705), (1285, 100564), (1622, 79670), (2570, 50282), (3244, 39835), (4055, 31868), (5140, 25141), (7967, 16220), (8110, 15934)]