157788220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{27299}}^1$

素因数の和:27342

約数の個数: 36

約数和(自身を含む): 352006200

約数和(自身を除く): 194217980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 27299, 54598, 109196, 136495, 272990, 464083, 545980, 928166, 1856332, 2320415, 4640830, 7889411, 9281660, 15778822, 31557644, 39447055, 78894110, 157788220]

約数ペア:

[(1, 157788220), (2, 78894110), (4, 39447055), (5, 31557644), (10, 15778822), (17, 9281660), (20, 7889411), (34, 4640830), (68, 2320415), (85, 1856332), (170, 928166), (289, 545980), (340, 464083), (578, 272990), (1156, 136495), (1445, 109196), (2890, 54598), (5780, 27299)]