61658420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 137121600

約数和(自身を除く): 75463180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 769, 844, 1055, 1538, 2110, 3076, 3845, 4009, 4220, 7690, 8018, 14611, 15380, 16036, 20045, 29222, 40090, 58444, 73055, 80180, 146110, 162259, 292220, 324518, 649036, 811295, 1622590, 3082921, 3245180, 6165842, 12331684, 15414605, 30829210, 61658420]

約数ペア:

[(1, 61658420), (2, 30829210), (4, 15414605), (5, 12331684), (10, 6165842), (19, 3245180), (20, 3082921), (38, 1622590), (76, 811295), (95, 649036), (190, 324518), (211, 292220), (380, 162259), (422, 146110), (769, 80180), (844, 73055), (1055, 58444), (1538, 40090), (2110, 29222), (3076, 20045), (3845, 16036), (4009, 15380), (4220, 14611), (7690, 8018)]