84641980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 189423360

約数和(自身を除く): 104781380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1439, 1730, 2878, 2941, 3460, 5756, 5882, 7195, 11764, 14390, 14705, 24463, 28780, 29410, 48926, 58820, 97852, 122315, 244630, 248947, 489260, 497894, 995788, 1244735, 2489470, 4232099, 4978940, 8464198, 16928396, 21160495, 42320990, 84641980]

約数ペア:

[(1, 84641980), (2, 42320990), (4, 21160495), (5, 16928396), (10, 8464198), (17, 4978940), (20, 4232099), (34, 2489470), (68, 1244735), (85, 995788), (170, 497894), (173, 489260), (340, 248947), (346, 244630), (692, 122315), (865, 97852), (1439, 58820), (1730, 48926), (2878, 29410), (2941, 28780), (3460, 24463), (5756, 14705), (5882, 14390), (7195, 11764)]