189841720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{279179}}^1$

素因数の和:279207

約数の個数: 32

約数和(自身を含む): 452271600

約数和(自身を除く): 262429880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 279179, 558358, 1116716, 1395895, 2233432, 2791790, 4746043, 5583580, 9492086, 11167160, 18984172, 23730215, 37968344, 47460430, 94920860, 189841720]

約数ペア:

[(1, 189841720), (2, 94920860), (4, 47460430), (5, 37968344), (8, 23730215), (10, 18984172), (17, 11167160), (20, 9492086), (34, 5583580), (40, 4746043), (68, 2791790), (85, 2233432), (136, 1395895), (170, 1116716), (340, 558358), (680, 279179)]