89852980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2557}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 216590976

約数和(自身を除く): 126737996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 2557, 3514, 5020, 5114, 7028, 8785, 10228, 12785, 17570, 17899, 25570, 35140, 35798, 51140, 71596, 89495, 178990, 357980, 641807, 1283614, 2567228, 3209035, 4492649, 6418070, 8985298, 12836140, 17970596, 22463245, 44926490, 89852980]

約数ペア:

[(1, 89852980), (2, 44926490), (4, 22463245), (5, 17970596), (7, 12836140), (10, 8985298), (14, 6418070), (20, 4492649), (28, 3209035), (35, 2567228), (70, 1283614), (140, 641807), (251, 357980), (502, 178990), (1004, 89495), (1255, 71596), (1757, 51140), (2510, 35798), (2557, 35140), (3514, 25570), (5020, 17899), (5114, 17570), (7028, 12785), (8785, 10228)]