77337460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 166561920

約数和(自身を除く): 89224460

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 509, 535, 710, 1018, 1070, 1420, 2036, 2140, 2545, 5090, 7597, 10180, 15194, 30388, 36139, 37985, 54463, 72278, 75970, 108926, 144556, 151940, 180695, 217852, 272315, 361390, 544630, 722780, 1089260, 3866873, 7733746, 15467492, 19334365, 38668730, 77337460]

約数ペア:

[(1, 77337460), (2, 38668730), (4, 19334365), (5, 15467492), (10, 7733746), (20, 3866873), (71, 1089260), (107, 722780), (142, 544630), (214, 361390), (284, 272315), (355, 217852), (428, 180695), (509, 151940), (535, 144556), (710, 108926), (1018, 75970), (1070, 72278), (1420, 54463), (2036, 37985), (2140, 36139), (2545, 30388), (5090, 15194), (7597, 10180)]