788830040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{2141}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 1816758720

約数和(自身を除く): 1027928680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 151, 244, 302, 305, 488, 604, 610, 755, 1208, 1220, 1510, 2141, 2440, 3020, 4282, 6040, 8564, 9211, 10705, 17128, 18422, 21410, 36844, 42820, 46055, 73688, 85640, 92110, 130601, 184220, 261202, 323291, 368440, 522404, 646582, 653005, 1044808, 1293164, 1306010, 1616455, 2586328, 2612020, 3232910, 5224040, 6465820, 12931640, 19720751, 39441502, 78883004, 98603755, 157766008, 197207510, 394415020, 788830040]

約数ペア:

[(1, 788830040), (2, 394415020), (4, 197207510), (5, 157766008), (8, 98603755), (10, 78883004), (20, 39441502), (40, 19720751), (61, 12931640), (122, 6465820), (151, 5224040), (244, 3232910), (302, 2612020), (305, 2586328), (488, 1616455), (604, 1306010), (610, 1293164), (755, 1044808), (1208, 653005), (1220, 646582), (1510, 522404), (2141, 368440), (2440, 323291), (3020, 261202), (4282, 184220), (6040, 130601), (8564, 92110), (9211, 85640), (10705, 73688), (17128, 46055), (18422, 42820), (21410, 36844)]