139702940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31607}}^1$

素因数の和:31646

約数の個数: 48

約数和(自身を含む): 334539072

約数和(自身を除く): 194836132

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 31607, 63214, 126428, 158035, 316070, 410891, 537319, 632140, 821782, 1074638, 1643564, 2054455, 2149276, 2686595, 4108910, 5373190, 6985147, 8217820, 10746380, 13970294, 27940588, 34925735, 69851470, 139702940]

約数ペア:

[(1, 139702940), (2, 69851470), (4, 34925735), (5, 27940588), (10, 13970294), (13, 10746380), (17, 8217820), (20, 6985147), (26, 5373190), (34, 4108910), (52, 2686595), (65, 2149276), (68, 2054455), (85, 1643564), (130, 1074638), (170, 821782), (221, 632140), (260, 537319), (340, 410891), (442, 316070), (884, 158035), (1105, 126428), (2210, 63214), (4420, 31607)]