158724340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3928

約数の個数: 48

約数和(自身を含む): 349300224

約数和(自身を除く): 190575884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 3821, 4154, 7642, 8308, 10385, 15284, 19105, 20770, 38210, 41540, 76420, 118451, 236902, 256007, 473804, 512014, 592255, 1024028, 1184510, 1280035, 2369020, 2560070, 5120140, 7936217, 15872434, 31744868, 39681085, 79362170, 158724340]

約数ペア:

[(1, 158724340), (2, 79362170), (4, 39681085), (5, 31744868), (10, 15872434), (20, 7936217), (31, 5120140), (62, 2560070), (67, 2369020), (124, 1280035), (134, 1184510), (155, 1024028), (268, 592255), (310, 512014), (335, 473804), (620, 256007), (670, 236902), (1340, 118451), (2077, 76420), (3821, 41540), (4154, 38210), (7642, 20770), (8308, 19105), (10385, 15284)]