890335900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1193}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 2052056160

約数和(自身を除く): 1161720260

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 439, 850, 878, 1193, 1700, 1756, 2195, 2386, 4390, 4772, 5965, 7463, 8780, 10975, 11930, 14926, 20281, 21950, 23860, 29825, 29852, 37315, 40562, 43900, 59650, 74630, 81124, 101405, 119300, 149260, 186575, 202810, 373150, 405620, 507025, 523727, 746300, 1014050, 1047454, 2028100, 2094908, 2618635, 5237270, 8903359, 10474540, 13093175, 17806718, 26186350, 35613436, 44516795, 52372700, 89033590, 178067180, 222583975, 445167950, 890335900]

約数ペア:

[(1, 890335900), (2, 445167950), (4, 222583975), (5, 178067180), (10, 89033590), (17, 52372700), (20, 44516795), (25, 35613436), (34, 26186350), (50, 17806718), (68, 13093175), (85, 10474540), (100, 8903359), (170, 5237270), (340, 2618635), (425, 2094908), (439, 2028100), (850, 1047454), (878, 1014050), (1193, 746300), (1700, 523727), (1756, 507025), (2195, 405620), (2386, 373150), (4390, 202810), (4772, 186575), (5965, 149260), (7463, 119300), (8780, 101405), (10975, 81124), (11930, 74630), (14926, 59650), (20281, 43900), (21950, 40562), (23860, 37315), (29825, 29852)]