87601970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 86580430

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 107, 139, 155, 190, 214, 278, 310, 535, 589, 695, 1070, 1178, 1390, 2033, 2641, 2945, 3317, 4066, 4309, 5282, 5890, 6634, 8618, 10165, 13205, 14873, 16585, 20330, 21545, 26410, 29746, 33170, 43090, 63023, 74365, 81871, 126046, 148730, 163742, 282587, 315115, 409355, 461063, 565174, 630230, 818710, 922126, 1412935, 2305315, 2825870, 4610630, 8760197, 17520394, 43800985, 87601970]

約数ペア:

[(1, 87601970), (2, 43800985), (5, 17520394), (10, 8760197), (19, 4610630), (31, 2825870), (38, 2305315), (62, 1412935), (95, 922126), (107, 818710), (139, 630230), (155, 565174), (190, 461063), (214, 409355), (278, 315115), (310, 282587), (535, 163742), (589, 148730), (695, 126046), (1070, 81871), (1178, 74365), (1390, 63023), (2033, 43090), (2641, 33170), (2945, 29746), (3317, 26410), (4066, 21545), (4309, 20330), (5282, 16585), (5890, 14873), (6634, 13205), (8618, 10165)]