1490897240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{143909}}^1$

素因数の和:143964

約数の個数: 64

約数和(自身を含む): 3937377600

約数和(自身を除く): 2446480360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 143909, 287818, 575636, 719545, 1007363, 1151272, 1439090, 2014726, 2878180, 4029452, 5036815, 5324633, 5756360, 8058904, 10073630, 10649266, 20147260, 21298532, 26623165, 37272431, 40294520, 42597064, 53246330, 74544862, 106492660, 149089724, 186362155, 212985320, 298179448, 372724310, 745448620, 1490897240]

約数ペア:

[(1, 1490897240), (2, 745448620), (4, 372724310), (5, 298179448), (7, 212985320), (8, 186362155), (10, 149089724), (14, 106492660), (20, 74544862), (28, 53246330), (35, 42597064), (37, 40294520), (40, 37272431), (56, 26623165), (70, 21298532), (74, 20147260), (140, 10649266), (148, 10073630), (185, 8058904), (259, 5756360), (280, 5324633), (296, 5036815), (370, 4029452), (518, 2878180), (740, 2014726), (1036, 1439090), (1295, 1151272), (1480, 1007363), (2072, 719545), (2590, 575636), (5180, 287818), (10360, 143909)]