244539160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 571392000

約数和(自身を除く): 326852840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 620, 796, 991, 995, 1240, 1592, 1982, 1990, 3964, 3980, 4955, 6169, 7928, 7960, 9910, 12338, 19820, 24676, 30721, 30845, 39640, 49352, 61442, 61690, 122884, 123380, 153605, 197209, 245768, 246760, 307210, 394418, 614420, 788836, 986045, 1228840, 1577672, 1972090, 3944180, 6113479, 7888360, 12226958, 24453916, 30567395, 48907832, 61134790, 122269580, 244539160]

約数ペア:

[(1, 244539160), (2, 122269580), (4, 61134790), (5, 48907832), (8, 30567395), (10, 24453916), (20, 12226958), (31, 7888360), (40, 6113479), (62, 3944180), (124, 1972090), (155, 1577672), (199, 1228840), (248, 986045), (310, 788836), (398, 614420), (620, 394418), (796, 307210), (991, 246760), (995, 245768), (1240, 197209), (1592, 153605), (1982, 123380), (1990, 122884), (3964, 61690), (3980, 61442), (4955, 49352), (6169, 39640), (7928, 30845), (7960, 30721), (9910, 24676), (12338, 19820)]