7777460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 17451840

約数和(自身を除く): 9674380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 211, 380, 388, 422, 485, 844, 970, 1055, 1843, 1940, 2110, 3686, 4009, 4220, 7372, 8018, 9215, 16036, 18430, 20045, 20467, 36860, 40090, 40934, 80180, 81868, 102335, 204670, 388873, 409340, 777746, 1555492, 1944365, 3888730, 7777460]

約数ペア:

[(1, 7777460), (2, 3888730), (4, 1944365), (5, 1555492), (10, 777746), (19, 409340), (20, 388873), (38, 204670), (76, 102335), (95, 81868), (97, 80180), (190, 40934), (194, 40090), (211, 36860), (380, 20467), (388, 20045), (422, 18430), (485, 16036), (844, 9215), (970, 8018), (1055, 7372), (1843, 4220), (1940, 4009), (2110, 3686)]