391348340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{9421}}^1$

素因数の和:9528

約数の個数: 48

約数和(自身を含む): 861095424

約数和(自身を除く): 469747084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 4154, 8308, 9421, 10385, 18842, 20770, 37684, 41540, 47105, 94210, 188420, 292051, 584102, 631207, 1168204, 1262414, 1460255, 2524828, 2920510, 3156035, 5841020, 6312070, 12624140, 19567417, 39134834, 78269668, 97837085, 195674170, 391348340]

約数ペア:

[(1, 391348340), (2, 195674170), (4, 97837085), (5, 78269668), (10, 39134834), (20, 19567417), (31, 12624140), (62, 6312070), (67, 5841020), (124, 3156035), (134, 2920510), (155, 2524828), (268, 1460255), (310, 1262414), (335, 1168204), (620, 631207), (670, 584102), (1340, 292051), (2077, 188420), (4154, 94210), (8308, 47105), (9421, 41540), (10385, 37684), (18842, 20770)]