2925560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 7365600

約数和(自身を除く): 4440040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 109, 110, 122, 218, 220, 244, 305, 436, 440, 488, 545, 610, 671, 872, 1090, 1199, 1220, 1342, 2180, 2398, 2440, 2684, 3355, 4360, 4796, 5368, 5995, 6649, 6710, 9592, 11990, 13298, 13420, 23980, 26596, 26840, 33245, 47960, 53192, 66490, 73139, 132980, 146278, 265960, 292556, 365695, 585112, 731390, 1462780, 2925560]

約数ペア:

[(1, 2925560), (2, 1462780), (4, 731390), (5, 585112), (8, 365695), (10, 292556), (11, 265960), (20, 146278), (22, 132980), (40, 73139), (44, 66490), (55, 53192), (61, 47960), (88, 33245), (109, 26840), (110, 26596), (122, 23980), (218, 13420), (220, 13298), (244, 11990), (305, 9592), (436, 6710), (440, 6649), (488, 5995), (545, 5368), (610, 4796), (671, 4360), (872, 3355), (1090, 2684), (1199, 2440), (1220, 2398), (1342, 2180)]