401049790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{12809}}^1$

素因数の和:12948

約数の個数: 32

約数和(自身を含む): 752613120

約数和(自身を除く): 351563330

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 3131, 6262, 12809, 15655, 25618, 31310, 64045, 128090, 397079, 794158, 1293709, 1985395, 2587418, 3970790, 6468545, 12937090, 40104979, 80209958, 200524895, 401049790]

約数ペア:

[(1, 401049790), (2, 200524895), (5, 80209958), (10, 40104979), (31, 12937090), (62, 6468545), (101, 3970790), (155, 2587418), (202, 1985395), (310, 1293709), (505, 794158), (1010, 397079), (3131, 128090), (6262, 64045), (12809, 31310), (15655, 25618)]