189674120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 443888640

約数和(自身を除く): 254214520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 248, 302, 310, 604, 620, 755, 1013, 1208, 1240, 1510, 2026, 3020, 4052, 4681, 5065, 6040, 8104, 9362, 10130, 18724, 20260, 23405, 31403, 37448, 40520, 46810, 62806, 93620, 125612, 152963, 157015, 187240, 251224, 305926, 314030, 611852, 628060, 764815, 1223704, 1256120, 1529630, 3059260, 4741853, 6118520, 9483706, 18967412, 23709265, 37934824, 47418530, 94837060, 189674120]

約数ペア:

[(1, 189674120), (2, 94837060), (4, 47418530), (5, 37934824), (8, 23709265), (10, 18967412), (20, 9483706), (31, 6118520), (40, 4741853), (62, 3059260), (124, 1529630), (151, 1256120), (155, 1223704), (248, 764815), (302, 628060), (310, 611852), (604, 314030), (620, 305926), (755, 251224), (1013, 187240), (1208, 157015), (1240, 152963), (1510, 125612), (2026, 93620), (3020, 62806), (4052, 46810), (4681, 40520), (5065, 37448), (6040, 31403), (8104, 23405), (9362, 20260), (10130, 18724)]