210823120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{155017}}^1$

素因数の和:155047

約数の個数: 40

約数和(自身を含む): 519000264

約数和(自身を除く): 308177144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 155017, 310034, 620068, 775085, 1240136, 1550170, 2480272, 2635289, 3100340, 5270578, 6200680, 10541156, 12401360, 13176445, 21082312, 26352890, 42164624, 52705780, 105411560, 210823120]

約数ペア:

[(1, 210823120), (2, 105411560), (4, 52705780), (5, 42164624), (8, 26352890), (10, 21082312), (16, 13176445), (17, 12401360), (20, 10541156), (34, 6200680), (40, 5270578), (68, 3100340), (80, 2635289), (85, 2480272), (136, 1550170), (170, 1240136), (272, 775085), (340, 620068), (680, 310034), (1360, 155017)]