408877980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1237}}^1$

素因数の和:2043

約数の個数: 96

約数和(自身を含む): 1311131136

約数和(自身を除く): 902253156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 787, 1237, 1574, 2361, 2474, 3148, 3711, 3935, 4722, 4948, 5509, 6185, 7422, 7870, 8659, 9444, 11018, 11805, 12370, 14844, 15740, 16527, 17318, 18555, 22036, 23610, 24740, 25977, 27545, 33054, 34636, 37110, 43295, 47220, 51954, 55090, 66108, 74220, 82635, 86590, 103908, 110180, 129885, 165270, 173180, 259770, 330540, 519540, 973519, 1947038, 2920557, 3894076, 4867595, 5841114, 6814633, 9735190, 11682228, 13629266, 14602785, 19470380, 20443899, 27258532, 29205570, 34073165, 40887798, 58411140, 68146330, 81775596, 102219495, 136292660, 204438990, 408877980]

約数ペア:

[(1, 408877980), (2, 204438990), (3, 136292660), (4, 102219495), (5, 81775596), (6, 68146330), (7, 58411140), (10, 40887798), (12, 34073165), (14, 29205570), (15, 27258532), (20, 20443899), (21, 19470380), (28, 14602785), (30, 13629266), (35, 11682228), (42, 9735190), (60, 6814633), (70, 5841114), (84, 4867595), (105, 3894076), (140, 2920557), (210, 1947038), (420, 973519), (787, 519540), (1237, 330540), (1574, 259770), (2361, 173180), (2474, 165270), (3148, 129885), (3711, 110180), (3935, 103908), (4722, 86590), (4948, 82635), (5509, 74220), (6185, 66108), (7422, 55090), (7870, 51954), (8659, 47220), (9444, 43295), (11018, 37110), (11805, 34636), (12370, 33054), (14844, 27545), (15740, 25977), (16527, 24740), (17318, 23610), (18555, 22036)]