156700666940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{261281}}^1$

素因数の和:261638

約数の個数: 48

約数和(自身を含む): 332902531584

約数和(自身を除く): 176201864644

約数列:

[1, 2, 4, 5, 10, 20, 157, 191, 314, 382, 628, 764, 785, 955, 1570, 1910, 3140, 3820, 29987, 59974, 119948, 149935, 261281, 299870, 522562, 599740, 1045124, 1306405, 2612810, 5225620, 41021117, 49904671, 82042234, 99809342, 164084468, 199618684, 205105585, 249523355, 410211170, 499046710, 820422340, 998093420, 7835033347, 15670066694, 31340133388, 39175166735, 78350333470, 156700666940]

約数ペア:

[(1, 156700666940), (2, 78350333470), (4, 39175166735), (5, 31340133388), (10, 15670066694), (20, 7835033347), (157, 998093420), (191, 820422340), (314, 499046710), (382, 410211170), (628, 249523355), (764, 205105585), (785, 199618684), (955, 164084468), (1570, 99809342), (1910, 82042234), (3140, 49904671), (3820, 41021117), (29987, 5225620), (59974, 2612810), (119948, 1306405), (149935, 1045124), (261281, 599740), (299870, 522562)]