2900920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 7516800

約数和(自身を除く): 4615880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 347, 380, 418, 440, 694, 760, 836, 1045, 1388, 1672, 1735, 2090, 2776, 3470, 3817, 4180, 6593, 6940, 7634, 8360, 13186, 13880, 15268, 19085, 26372, 30536, 32965, 38170, 52744, 65930, 72523, 76340, 131860, 145046, 152680, 263720, 290092, 362615, 580184, 725230, 1450460, 2900920]

約数ペア:

[(1, 2900920), (2, 1450460), (4, 725230), (5, 580184), (8, 362615), (10, 290092), (11, 263720), (19, 152680), (20, 145046), (22, 131860), (38, 76340), (40, 72523), (44, 65930), (55, 52744), (76, 38170), (88, 32965), (95, 30536), (110, 26372), (152, 19085), (190, 15268), (209, 13880), (220, 13186), (347, 8360), (380, 7634), (418, 6940), (440, 6593), (694, 4180), (760, 3817), (836, 3470), (1045, 2776), (1388, 2090), (1672, 1735)]