172829720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617249}}^1$

素因数の和:617267

約数の個数: 32

約数和(自身を含む): 444420000

約数和(自身を除く): 271590280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617249, 1234498, 2468996, 3086245, 4320743, 4937992, 6172490, 8641486, 12344980, 17282972, 21603715, 24689960, 34565944, 43207430, 86414860, 172829720]

約数ペア:

[(1, 172829720), (2, 86414860), (4, 43207430), (5, 34565944), (7, 24689960), (8, 21603715), (10, 17282972), (14, 12344980), (20, 8641486), (28, 6172490), (35, 4937992), (40, 4320743), (56, 3086245), (70, 2468996), (140, 1234498), (280, 617249)]