74562580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 85104620

約数列:

[1, 2, 4, 5, 10, 20, 131, 149, 191, 262, 298, 382, 524, 596, 655, 745, 764, 955, 1310, 1490, 1910, 2620, 2980, 3820, 19519, 25021, 28459, 39038, 50042, 56918, 78076, 97595, 100084, 113836, 125105, 142295, 195190, 250210, 284590, 390380, 500420, 569180, 3728129, 7456258, 14912516, 18640645, 37281290, 74562580]

約数ペア:

[(1, 74562580), (2, 37281290), (4, 18640645), (5, 14912516), (10, 7456258), (20, 3728129), (131, 569180), (149, 500420), (191, 390380), (262, 284590), (298, 250210), (382, 195190), (524, 142295), (596, 125105), (655, 113836), (745, 100084), (764, 97595), (955, 78076), (1310, 56918), (1490, 50042), (1910, 39038), (2620, 28459), (2980, 25021), (3820, 19519)]