30944920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2143}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 73517760

約数和(自身を除く): 42572840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2143, 2888, 3610, 4286, 7220, 8572, 10715, 14440, 17144, 21430, 40717, 42860, 81434, 85720, 162868, 203585, 325736, 407170, 773623, 814340, 1547246, 1628680, 3094492, 3868115, 6188984, 7736230, 15472460, 30944920]

約数ペア:

[(1, 30944920), (2, 15472460), (4, 7736230), (5, 6188984), (8, 3868115), (10, 3094492), (19, 1628680), (20, 1547246), (38, 814340), (40, 773623), (76, 407170), (95, 325736), (152, 203585), (190, 162868), (361, 85720), (380, 81434), (722, 42860), (760, 40717), (1444, 21430), (1805, 17144), (2143, 14440), (2888, 10715), (3610, 8572), (4286, 7220)]