261494130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{378977}}^1$

素因数の和:379010

約数の個数: 32

約数和(自身を含む): 654873984

約数和(自身を除く): 393379854

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 378977, 757954, 1136931, 1894885, 2273862, 3789770, 5684655, 8716471, 11369310, 17432942, 26149413, 43582355, 52298826, 87164710, 130747065, 261494130]

約数ペア:

[(1, 261494130), (2, 130747065), (3, 87164710), (5, 52298826), (6, 43582355), (10, 26149413), (15, 17432942), (23, 11369310), (30, 8716471), (46, 5684655), (69, 3789770), (115, 2273862), (138, 1894885), (230, 1136931), (345, 757954), (690, 378977)]