23978380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 53676000

約数和(自身を除く): 29697620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 709, 890, 1418, 1691, 1780, 2836, 3382, 3545, 6764, 7090, 8455, 13471, 14180, 16910, 26942, 33820, 53884, 63101, 67355, 126202, 134710, 252404, 269420, 315505, 631010, 1198919, 1262020, 2397838, 4795676, 5994595, 11989190, 23978380]

約数ペア:

[(1, 23978380), (2, 11989190), (4, 5994595), (5, 4795676), (10, 2397838), (19, 1262020), (20, 1198919), (38, 631010), (76, 315505), (89, 269420), (95, 252404), (178, 134710), (190, 126202), (356, 67355), (380, 63101), (445, 53884), (709, 33820), (890, 26942), (1418, 16910), (1691, 14180), (1780, 13471), (2836, 8455), (3382, 7090), (3545, 6764)]