208820940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49019}}^1$

素因数の和:49102

約数の個数: 48

約数和(自身を含む): 592945920

約数和(自身を除く): 384124980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 49019, 98038, 147057, 196076, 245095, 294114, 490190, 588228, 735285, 980380, 1470570, 2941140, 3480349, 6960698, 10441047, 13921396, 17401745, 20882094, 34803490, 41764188, 52205235, 69606980, 104410470, 208820940]

約数ペア:

[(1, 208820940), (2, 104410470), (3, 69606980), (4, 52205235), (5, 41764188), (6, 34803490), (10, 20882094), (12, 17401745), (15, 13921396), (20, 10441047), (30, 6960698), (60, 3480349), (71, 2941140), (142, 1470570), (213, 980380), (284, 735285), (355, 588228), (426, 490190), (710, 294114), (852, 245095), (1065, 196076), (1420, 147057), (2130, 98038), (4260, 49019)]