353289980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 752903424

約数和(自身を除く): 399613444

約数列:

[1, 2, 4, 5, 10, 20, 113, 223, 226, 446, 452, 565, 701, 892, 1115, 1130, 1402, 2230, 2260, 2804, 3505, 4460, 7010, 14020, 25199, 50398, 79213, 100796, 125995, 156323, 158426, 251990, 312646, 316852, 396065, 503980, 625292, 781615, 792130, 1563230, 1584260, 3126460, 17664499, 35328998, 70657996, 88322495, 176644990, 353289980]

約数ペア:

[(1, 353289980), (2, 176644990), (4, 88322495), (5, 70657996), (10, 35328998), (20, 17664499), (113, 3126460), (223, 1584260), (226, 1563230), (446, 792130), (452, 781615), (565, 625292), (701, 503980), (892, 396065), (1115, 316852), (1130, 312646), (1402, 251990), (2230, 158426), (2260, 156323), (2804, 125995), (3505, 100796), (4460, 79213), (7010, 50398), (14020, 25199)]