494236720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199289}}^1$

素因数の和:199333

約数の個数: 40

約数和(自身を含む): 1186174080

約数和(自身を除く): 691937360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 199289, 398578, 797156, 996445, 1594312, 1992890, 3188624, 3985780, 6177959, 7971560, 12355918, 15943120, 24711836, 30889795, 49423672, 61779590, 98847344, 123559180, 247118360, 494236720]

約数ペア:

[(1, 494236720), (2, 247118360), (4, 123559180), (5, 98847344), (8, 61779590), (10, 49423672), (16, 30889795), (20, 24711836), (31, 15943120), (40, 12355918), (62, 7971560), (80, 6177959), (124, 3985780), (155, 3188624), (248, 1992890), (310, 1594312), (496, 996445), (620, 797156), (1240, 398578), (2480, 199289)]