65688889490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:780

約数の個数: 128

約数和(自身を含む): 138586982400

約数和(自身を除く): 72898092910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 157, 178, 239, 281, 314, 445, 478, 562, 623, 785, 890, 1099, 1195, 1246, 1405, 1570, 1673, 1967, 2198, 2390, 2810, 3115, 3346, 3934, 5495, 6230, 8365, 9835, 10990, 13973, 16730, 19670, 21271, 25009, 27946, 37523, 42542, 44117, 50018, 67159, 69865, 75046, 88234, 97811, 106355, 125045, 134318, 139730, 148897, 175063, 187615, 195622, 212710, 220585, 250090, 262661, 297794, 308819, 335795, 350126, 375230, 441170, 470113, 489055, 525322, 617638, 671590, 744485, 875315, 940226, 978110, 1313305, 1488970, 1544095, 1750630, 2350565, 2626610, 3088190, 3339547, 3926413, 4701130, 5977151, 6679094, 7852826, 10543963, 11954302, 16697735, 19632065, 21087926, 23376829, 27484891, 29885755, 33395470, 39264130, 41840057, 46753658, 52719815, 54969782, 59771510, 73807741, 83680114, 105439630, 116884145, 137424455, 147615482, 209200285, 233768290, 274848910, 369038705, 418400570, 738077410, 938412707, 1876825414, 4692063535, 6568888949, 9384127070, 13137777898, 32844444745, 65688889490]

約数ペア:

[(1, 65688889490), (2, 32844444745), (5, 13137777898), (7, 9384127070), (10, 6568888949), (14, 4692063535), (35, 1876825414), (70, 938412707), (89, 738077410), (157, 418400570), (178, 369038705), (239, 274848910), (281, 233768290), (314, 209200285), (445, 147615482), (478, 137424455), (562, 116884145), (623, 105439630), (785, 83680114), (890, 73807741), (1099, 59771510), (1195, 54969782), (1246, 52719815), (1405, 46753658), (1570, 41840057), (1673, 39264130), (1967, 33395470), (2198, 29885755), (2390, 27484891), (2810, 23376829), (3115, 21087926), (3346, 19632065), (3934, 16697735), (5495, 11954302), (6230, 10543963), (8365, 7852826), (9835, 6679094), (10990, 5977151), (13973, 4701130), (16730, 3926413), (19670, 3339547), (21271, 3088190), (25009, 2626610), (27946, 2350565), (37523, 1750630), (42542, 1544095), (44117, 1488970), (50018, 1313305), (67159, 978110), (69865, 940226), (75046, 875315), (88234, 744485), (97811, 671590), (106355, 617638), (125045, 525322), (134318, 489055), (139730, 470113), (148897, 441170), (175063, 375230), (187615, 350126), (195622, 335795), (212710, 308819), (220585, 297794), (250090, 262661)]