839847970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{769}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 1688924160

約数和(自身を除く): 849076190

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 271, 310, 403, 542, 769, 806, 1355, 1538, 2015, 2710, 3523, 3845, 4030, 7046, 7690, 8401, 9997, 16802, 17615, 19994, 23839, 35230, 42005, 47678, 49985, 84010, 99970, 109213, 119195, 208399, 218426, 238390, 309907, 416798, 546065, 619814, 1041995, 1092130, 1549535, 2083990, 2709187, 3099070, 5418374, 6460369, 12920738, 13545935, 27091870, 32301845, 64603690, 83984797, 167969594, 419923985, 839847970]

約数ペア:

[(1, 839847970), (2, 419923985), (5, 167969594), (10, 83984797), (13, 64603690), (26, 32301845), (31, 27091870), (62, 13545935), (65, 12920738), (130, 6460369), (155, 5418374), (271, 3099070), (310, 2709187), (403, 2083990), (542, 1549535), (769, 1092130), (806, 1041995), (1355, 619814), (1538, 546065), (2015, 416798), (2710, 309907), (3523, 238390), (3845, 218426), (4030, 208399), (7046, 119195), (7690, 109213), (8401, 99970), (9997, 84010), (16802, 49985), (17615, 47678), (19994, 42005), (23839, 35230)]