42354740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 91400400

約数和(自身を除く): 49045660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 233, 244, 298, 305, 466, 596, 610, 745, 932, 1165, 1220, 1490, 2330, 2980, 4660, 9089, 14213, 18178, 28426, 34717, 36356, 45445, 56852, 69434, 71065, 90890, 138868, 142130, 173585, 181780, 284260, 347170, 694340, 2117737, 4235474, 8470948, 10588685, 21177370, 42354740]

約数ペア:

[(1, 42354740), (2, 21177370), (4, 10588685), (5, 8470948), (10, 4235474), (20, 2117737), (61, 694340), (122, 347170), (149, 284260), (233, 181780), (244, 173585), (298, 142130), (305, 138868), (466, 90890), (596, 71065), (610, 69434), (745, 56852), (932, 45445), (1165, 36356), (1220, 34717), (1490, 28426), (2330, 18178), (2980, 14213), (4660, 9089)]