490259584

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1013}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 1034280000

約数和(自身を除く): 544020416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 199, 304, 398, 608, 796, 1013, 1216, 1592, 2026, 2432, 3184, 3781, 4052, 6368, 7562, 8104, 12736, 15124, 16208, 19247, 25472, 30248, 32416, 38494, 60496, 64832, 76988, 120992, 129664, 153976, 201587, 241984, 307952, 403174, 483968, 615904, 806348, 1231808, 1612696, 2463616, 3225392, 3830153, 6450784, 7660306, 12901568, 15320612, 25803136, 30641224, 61282448, 122564896, 245129792, 490259584]

約数ペア:

[(1, 490259584), (2, 245129792), (4, 122564896), (8, 61282448), (16, 30641224), (19, 25803136), (32, 15320612), (38, 12901568), (64, 7660306), (76, 6450784), (128, 3830153), (152, 3225392), (199, 2463616), (304, 1612696), (398, 1231808), (608, 806348), (796, 615904), (1013, 483968), (1216, 403174), (1592, 307952), (2026, 241984), (2432, 201587), (3184, 153976), (3781, 129664), (4052, 120992), (6368, 76988), (7562, 64832), (8104, 60496), (12736, 38494), (15124, 32416), (16208, 30248), (19247, 25472)]