31390850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 62138880

約数和(自身を除く): 30748030

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 173, 190, 191, 346, 382, 475, 865, 950, 955, 1730, 1910, 3287, 3629, 4325, 4775, 6574, 7258, 8650, 9550, 16435, 18145, 32870, 33043, 36290, 66086, 82175, 90725, 164350, 165215, 181450, 330430, 627817, 826075, 1255634, 1652150, 3139085, 6278170, 15695425, 31390850]

約数ペア:

[(1, 31390850), (2, 15695425), (5, 6278170), (10, 3139085), (19, 1652150), (25, 1255634), (38, 826075), (50, 627817), (95, 330430), (173, 181450), (190, 165215), (191, 164350), (346, 90725), (382, 82175), (475, 66086), (865, 36290), (950, 33043), (955, 32870), (1730, 18145), (1910, 16435), (3287, 9550), (3629, 8650), (4325, 7258), (4775, 6574)]