123949100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 295199856

約数和(自身を除く): 171250756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 281, 401, 550, 562, 802, 1100, 1124, 1405, 1604, 2005, 2810, 3091, 4010, 4411, 5620, 6182, 7025, 8020, 8822, 10025, 12364, 14050, 15455, 17644, 20050, 22055, 28100, 30910, 40100, 44110, 61820, 77275, 88220, 110275, 112681, 154550, 220550, 225362, 309100, 441100, 450724, 563405, 1126810, 1239491, 2253620, 2478982, 2817025, 4957964, 5634050, 6197455, 11268100, 12394910, 24789820, 30987275, 61974550, 123949100]

約数ペア:

[(1, 123949100), (2, 61974550), (4, 30987275), (5, 24789820), (10, 12394910), (11, 11268100), (20, 6197455), (22, 5634050), (25, 4957964), (44, 2817025), (50, 2478982), (55, 2253620), (100, 1239491), (110, 1126810), (220, 563405), (275, 450724), (281, 441100), (401, 309100), (550, 225362), (562, 220550), (802, 154550), (1100, 112681), (1124, 110275), (1405, 88220), (1604, 77275), (2005, 61820), (2810, 44110), (3091, 40100), (4010, 30910), (4411, 28100), (5620, 22055), (6182, 20050), (7025, 17644), (8020, 15455), (8822, 14050), (10025, 12364)]