395560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 1036800

約数和(自身を除く): 641240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 145, 155, 220, 232, 248, 290, 310, 319, 341, 440, 580, 620, 638, 682, 899, 1160, 1240, 1276, 1364, 1595, 1705, 1798, 2552, 2728, 3190, 3410, 3596, 4495, 6380, 6820, 7192, 8990, 9889, 12760, 13640, 17980, 19778, 35960, 39556, 49445, 79112, 98890, 197780, 395560]

約数ペア:

[(1, 395560), (2, 197780), (4, 98890), (5, 79112), (8, 49445), (10, 39556), (11, 35960), (20, 19778), (22, 17980), (29, 13640), (31, 12760), (40, 9889), (44, 8990), (55, 7192), (58, 6820), (62, 6380), (88, 4495), (110, 3596), (116, 3410), (124, 3190), (145, 2728), (155, 2552), (220, 1798), (232, 1705), (248, 1595), (290, 1364), (310, 1276), (319, 1240), (341, 1160), (440, 899), (580, 682), (620, 638)]