211268120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9551}}^1$

素因数の和:9648

約数の個数: 64

約数和(自身を含む): 550195200

約数和(自身を除く): 338927080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 9551, 11060, 19102, 22120, 38204, 47755, 66857, 76408, 95510, 133714, 191020, 267428, 334285, 382040, 534856, 668570, 754529, 1337140, 1509058, 2674280, 3018116, 3772645, 5281703, 6036232, 7545290, 10563406, 15090580, 21126812, 26408515, 30181160, 42253624, 52817030, 105634060, 211268120]

約数ペア:

[(1, 211268120), (2, 105634060), (4, 52817030), (5, 42253624), (7, 30181160), (8, 26408515), (10, 21126812), (14, 15090580), (20, 10563406), (28, 7545290), (35, 6036232), (40, 5281703), (56, 3772645), (70, 3018116), (79, 2674280), (140, 1509058), (158, 1337140), (280, 754529), (316, 668570), (395, 534856), (553, 382040), (632, 334285), (790, 267428), (1106, 191020), (1580, 133714), (2212, 95510), (2765, 76408), (3160, 66857), (4424, 47755), (5530, 38204), (9551, 22120), (11060, 19102)]