254017460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1667}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 563250240

約数和(自身を除く): 309232780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 802, 1604, 1667, 2005, 3334, 4010, 6668, 7619, 8020, 8335, 15238, 16670, 30476, 31673, 33340, 38095, 63346, 76190, 126692, 152380, 158365, 316730, 633460, 668467, 1336934, 2673868, 3342335, 6684670, 12700873, 13369340, 25401746, 50803492, 63504365, 127008730, 254017460]

約数ペア:

[(1, 254017460), (2, 127008730), (4, 63504365), (5, 50803492), (10, 25401746), (19, 13369340), (20, 12700873), (38, 6684670), (76, 3342335), (95, 2673868), (190, 1336934), (380, 668467), (401, 633460), (802, 316730), (1604, 158365), (1667, 152380), (2005, 126692), (3334, 76190), (4010, 63346), (6668, 38095), (7619, 33340), (8020, 31673), (8335, 30476), (15238, 16670)]