686749180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2887

約数の個数: 96

約数和(自身を含む): 1660756608

約数和(自身を除く): 974007428

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 41, 46, 52, 65, 82, 92, 115, 130, 164, 205, 230, 260, 299, 410, 460, 533, 598, 820, 943, 1066, 1196, 1495, 1886, 2132, 2665, 2801, 2990, 3772, 4715, 5330, 5602, 5980, 9430, 10660, 11204, 12259, 14005, 18860, 24518, 28010, 36413, 49036, 56020, 61295, 64423, 72826, 114841, 122590, 128846, 145652, 182065, 229682, 245180, 257692, 322115, 364130, 459364, 574205, 644230, 728260, 837499, 1148410, 1288460, 1492933, 1674998, 2296820, 2641343, 2985866, 3349996, 4187495, 5282686, 5971732, 7464665, 8374990, 10565372, 13206715, 14929330, 16749980, 26413430, 29858660, 34337459, 52826860, 68674918, 137349836, 171687295, 343374590, 686749180]

約数ペア:

[(1, 686749180), (2, 343374590), (4, 171687295), (5, 137349836), (10, 68674918), (13, 52826860), (20, 34337459), (23, 29858660), (26, 26413430), (41, 16749980), (46, 14929330), (52, 13206715), (65, 10565372), (82, 8374990), (92, 7464665), (115, 5971732), (130, 5282686), (164, 4187495), (205, 3349996), (230, 2985866), (260, 2641343), (299, 2296820), (410, 1674998), (460, 1492933), (533, 1288460), (598, 1148410), (820, 837499), (943, 728260), (1066, 644230), (1196, 574205), (1495, 459364), (1886, 364130), (2132, 322115), (2665, 257692), (2801, 245180), (2990, 229682), (3772, 182065), (4715, 145652), (5330, 128846), (5602, 122590), (5980, 114841), (9430, 72826), (10660, 64423), (11204, 61295), (12259, 56020), (14005, 49036), (18860, 36413), (24518, 28010)]