90997940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 228614400

約数和(自身を除く): 137616460

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 29, 34, 44, 55, 58, 68, 85, 110, 116, 145, 170, 187, 220, 290, 319, 340, 374, 493, 580, 638, 748, 839, 935, 986, 1276, 1595, 1678, 1870, 1972, 2465, 3190, 3356, 3740, 4195, 4930, 5423, 6380, 8390, 9229, 9860, 10846, 14263, 16780, 18458, 21692, 24331, 27115, 28526, 36916, 46145, 48662, 54230, 57052, 71315, 92290, 97324, 108460, 121655, 142630, 156893, 184580, 243310, 267641, 285260, 313786, 413627, 486620, 535282, 627572, 784465, 827254, 1070564, 1338205, 1568930, 1654508, 2068135, 2676410, 3137860, 4136270, 4549897, 5352820, 8272540, 9099794, 18199588, 22749485, 45498970, 90997940]

約数ペア:

[(1, 90997940), (2, 45498970), (4, 22749485), (5, 18199588), (10, 9099794), (11, 8272540), (17, 5352820), (20, 4549897), (22, 4136270), (29, 3137860), (34, 2676410), (44, 2068135), (55, 1654508), (58, 1568930), (68, 1338205), (85, 1070564), (110, 827254), (116, 784465), (145, 627572), (170, 535282), (187, 486620), (220, 413627), (290, 313786), (319, 285260), (340, 267641), (374, 243310), (493, 184580), (580, 156893), (638, 142630), (748, 121655), (839, 108460), (935, 97324), (986, 92290), (1276, 71315), (1595, 57052), (1678, 54230), (1870, 48662), (1972, 46145), (2465, 36916), (3190, 28526), (3356, 27115), (3740, 24331), (4195, 21692), (4930, 18458), (5423, 16780), (6380, 14263), (8390, 10846), (9229, 9860)]