280802650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6247}}^1$

素因数の和:6319

約数の個数: 48

約数和(自身を含む): 557821440

約数和(自身を除く): 277018790

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 4495, 6247, 8990, 12494, 22475, 31235, 44950, 62470, 156175, 181163, 193657, 312350, 362326, 387314, 905815, 968285, 1811630, 1936570, 4529075, 4841425, 5616053, 9058150, 9682850, 11232106, 28080265, 56160530, 140401325, 280802650]

約数ペア:

[(1, 280802650), (2, 140401325), (5, 56160530), (10, 28080265), (25, 11232106), (29, 9682850), (31, 9058150), (50, 5616053), (58, 4841425), (62, 4529075), (145, 1936570), (155, 1811630), (290, 968285), (310, 905815), (725, 387314), (775, 362326), (899, 312350), (1450, 193657), (1550, 181163), (1798, 156175), (4495, 62470), (6247, 44950), (8990, 31235), (12494, 22475)]