677812460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137209}}^1$

素因数の和:137250

約数の個数: 48

約数和(自身を含む): 1613589600

約数和(自身を除く): 935777140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 137209, 274418, 548836, 686045, 1372090, 1783717, 2606971, 2744180, 3567434, 5213942, 7134868, 8918585, 10427884, 13034855, 17837170, 26069710, 33890623, 35674340, 52139420, 67781246, 135562492, 169453115, 338906230, 677812460]

約数ペア:

[(1, 677812460), (2, 338906230), (4, 169453115), (5, 135562492), (10, 67781246), (13, 52139420), (19, 35674340), (20, 33890623), (26, 26069710), (38, 17837170), (52, 13034855), (65, 10427884), (76, 8918585), (95, 7134868), (130, 5213942), (190, 3567434), (247, 2744180), (260, 2606971), (380, 1783717), (494, 1372090), (988, 686045), (1235, 548836), (2470, 274418), (4940, 137209)]