219952240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 534340800

約数和(自身を除く): 314388560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 113, 116, 145, 226, 232, 290, 452, 464, 565, 580, 839, 904, 1130, 1160, 1678, 1808, 2260, 2320, 3277, 3356, 4195, 4520, 6554, 6712, 8390, 9040, 13108, 13424, 16385, 16780, 24331, 26216, 32770, 33560, 48662, 52432, 65540, 67120, 94807, 97324, 121655, 131080, 189614, 194648, 243310, 262160, 379228, 389296, 474035, 486620, 758456, 948070, 973240, 1516912, 1896140, 1946480, 2749403, 3792280, 5498806, 7584560, 10997612, 13747015, 21995224, 27494030, 43990448, 54988060, 109976120, 219952240]

約数ペア:

[(1, 219952240), (2, 109976120), (4, 54988060), (5, 43990448), (8, 27494030), (10, 21995224), (16, 13747015), (20, 10997612), (29, 7584560), (40, 5498806), (58, 3792280), (80, 2749403), (113, 1946480), (116, 1896140), (145, 1516912), (226, 973240), (232, 948070), (290, 758456), (452, 486620), (464, 474035), (565, 389296), (580, 379228), (839, 262160), (904, 243310), (1130, 194648), (1160, 189614), (1678, 131080), (1808, 121655), (2260, 97324), (2320, 94807), (3277, 67120), (3356, 65540), (4195, 52432), (4520, 48662), (6554, 33560), (6712, 32770), (8390, 26216), (9040, 24331), (13108, 16780), (13424, 16385)]