78049160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{39821}}^1$

素因数の和:39846

約数の個数: 48

約数和(自身を含む): 204286860

約数和(自身を除く): 126237700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 39821, 79642, 159284, 199105, 278747, 318568, 398210, 557494, 796420, 1114988, 1393735, 1592840, 1951229, 2229976, 2787470, 3902458, 5574940, 7804916, 9756145, 11149880, 15609832, 19512290, 39024580, 78049160]

約数ペア:

[(1, 78049160), (2, 39024580), (4, 19512290), (5, 15609832), (7, 11149880), (8, 9756145), (10, 7804916), (14, 5574940), (20, 3902458), (28, 2787470), (35, 2229976), (40, 1951229), (49, 1592840), (56, 1393735), (70, 1114988), (98, 796420), (140, 557494), (196, 398210), (245, 318568), (280, 278747), (392, 199105), (490, 159284), (980, 79642), (1960, 39821)]