521023790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 1090022400

約数和(自身を除く): 568998610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 199, 226, 331, 398, 565, 662, 791, 995, 1130, 1393, 1582, 1655, 1990, 2317, 2786, 3310, 3955, 4634, 6965, 7910, 11585, 13930, 22487, 23170, 37403, 44974, 65869, 74806, 112435, 131738, 157409, 187015, 224870, 261821, 314818, 329345, 374030, 461083, 523642, 658690, 787045, 922166, 1309105, 1574090, 2305415, 2618210, 4610830, 7443197, 14886394, 37215985, 52102379, 74431970, 104204758, 260511895, 521023790]

約数ペア:

[(1, 521023790), (2, 260511895), (5, 104204758), (7, 74431970), (10, 52102379), (14, 37215985), (35, 14886394), (70, 7443197), (113, 4610830), (199, 2618210), (226, 2305415), (331, 1574090), (398, 1309105), (565, 922166), (662, 787045), (791, 658690), (995, 523642), (1130, 461083), (1393, 374030), (1582, 329345), (1655, 314818), (1990, 261821), (2317, 224870), (2786, 187015), (3310, 157409), (3955, 131738), (4634, 112435), (6965, 74806), (7910, 65869), (11585, 44974), (13930, 37403), (22487, 23170)]