280970360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20599}}^1$

素因数の和:20652

約数の個数: 64

約数和(自身を含む): 711936000

約数和(自身を除く): 430965640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 20599, 41198, 82396, 102995, 164792, 205990, 226589, 411980, 453178, 638569, 823960, 906356, 1132945, 1277138, 1812712, 2265890, 2554276, 3192845, 4531780, 5108552, 6385690, 7024259, 9063560, 12771380, 14048518, 25542760, 28097036, 35121295, 56194072, 70242590, 140485180, 280970360]

約数ペア:

[(1, 280970360), (2, 140485180), (4, 70242590), (5, 56194072), (8, 35121295), (10, 28097036), (11, 25542760), (20, 14048518), (22, 12771380), (31, 9063560), (40, 7024259), (44, 6385690), (55, 5108552), (62, 4531780), (88, 3192845), (110, 2554276), (124, 2265890), (155, 1812712), (220, 1277138), (248, 1132945), (310, 906356), (341, 823960), (440, 638569), (620, 453178), (682, 411980), (1240, 226589), (1364, 205990), (1705, 164792), (2728, 102995), (3410, 82396), (6820, 41198), (13640, 20599)]