9920540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 24820992

約数和(自身を除く): 14900452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 191, 196, 212, 245, 265, 371, 382, 490, 530, 742, 764, 955, 980, 1060, 1337, 1484, 1855, 1910, 2597, 2674, 3710, 3820, 5194, 5348, 6685, 7420, 9359, 10123, 10388, 12985, 13370, 18718, 20246, 25970, 26740, 37436, 40492, 46795, 50615, 51940, 70861, 93590, 101230, 141722, 187180, 202460, 283444, 354305, 496027, 708610, 992054, 1417220, 1984108, 2480135, 4960270, 9920540]

約数ペア:

[(1, 9920540), (2, 4960270), (4, 2480135), (5, 1984108), (7, 1417220), (10, 992054), (14, 708610), (20, 496027), (28, 354305), (35, 283444), (49, 202460), (53, 187180), (70, 141722), (98, 101230), (106, 93590), (140, 70861), (191, 51940), (196, 50615), (212, 46795), (245, 40492), (265, 37436), (371, 26740), (382, 25970), (490, 20246), (530, 18718), (742, 13370), (764, 12985), (955, 10388), (980, 10123), (1060, 9359), (1337, 7420), (1484, 6685), (1855, 5348), (1910, 5194), (2597, 3820), (2674, 3710)]