1880485725

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 3143798784

約数和(自身を除く): 1263313059

約数列:

[1, 3, 5, 15, 25, 75, 191, 251, 523, 573, 753, 955, 1255, 1569, 2615, 2865, 3765, 4775, 6275, 7845, 13075, 14325, 18825, 39225, 47941, 99893, 131273, 143823, 239705, 299679, 393819, 499465, 656365, 719115, 1198525, 1498395, 1969095, 2497325, 3281825, 3595575, 7491975, 9845475, 25073143, 75219429, 125365715, 376097145, 626828575, 1880485725]

約数ペア:

[(1, 1880485725), (3, 626828575), (5, 376097145), (15, 125365715), (25, 75219429), (75, 25073143), (191, 9845475), (251, 7491975), (523, 3595575), (573, 3281825), (753, 2497325), (955, 1969095), (1255, 1498395), (1569, 1198525), (2615, 719115), (2865, 656365), (3765, 499465), (4775, 393819), (6275, 299679), (7845, 239705), (13075, 143823), (14325, 131273), (18825, 99893), (39225, 47941)]