201605090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 389173248

約数和(自身を除く): 187568158

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 101, 137, 155, 202, 235, 274, 310, 470, 505, 685, 1010, 1370, 1457, 2914, 3131, 4247, 4747, 6262, 6439, 7285, 8494, 9494, 12878, 13837, 14570, 15655, 21235, 23735, 27674, 31310, 32195, 42470, 47470, 64390, 69185, 138370, 147157, 199609, 294314, 399218, 428947, 650339, 735785, 857894, 998045, 1300678, 1471570, 1996090, 2144735, 3251695, 4289470, 6503390, 20160509, 40321018, 100802545, 201605090]

約数ペア:

[(1, 201605090), (2, 100802545), (5, 40321018), (10, 20160509), (31, 6503390), (47, 4289470), (62, 3251695), (94, 2144735), (101, 1996090), (137, 1471570), (155, 1300678), (202, 998045), (235, 857894), (274, 735785), (310, 650339), (470, 428947), (505, 399218), (685, 294314), (1010, 199609), (1370, 147157), (1457, 138370), (2914, 69185), (3131, 64390), (4247, 47470), (4747, 42470), (6262, 32195), (6439, 31310), (7285, 27674), (8494, 23735), (9494, 21235), (12878, 15655), (13837, 14570)]