29182780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 40530500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 389, 484, 605, 620, 682, 778, 1210, 1364, 1556, 1705, 1945, 2420, 3410, 3751, 3890, 4279, 6820, 7502, 7780, 8558, 12059, 15004, 17116, 18755, 21395, 24118, 37510, 42790, 47069, 48236, 60295, 75020, 85580, 94138, 120590, 132649, 188276, 235345, 241180, 265298, 470690, 530596, 663245, 941380, 1326490, 1459139, 2652980, 2918278, 5836556, 7295695, 14591390, 29182780]

約数ペア:

[(1, 29182780), (2, 14591390), (4, 7295695), (5, 5836556), (10, 2918278), (11, 2652980), (20, 1459139), (22, 1326490), (31, 941380), (44, 663245), (55, 530596), (62, 470690), (110, 265298), (121, 241180), (124, 235345), (155, 188276), (220, 132649), (242, 120590), (310, 94138), (341, 85580), (389, 75020), (484, 60295), (605, 48236), (620, 47069), (682, 42790), (778, 37510), (1210, 24118), (1364, 21395), (1556, 18755), (1705, 17116), (1945, 15004), (2420, 12059), (3410, 8558), (3751, 7780), (3890, 7502), (4279, 6820)]