89923960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16903}}^1$

素因数の和:16940

約数の個数: 64

約数和(自身を含む): 243417600

約数和(自身を除く): 153493640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16903, 33806, 67612, 84515, 118321, 135224, 169030, 236642, 321157, 338060, 473284, 591605, 642314, 676120, 946568, 1183210, 1284628, 1605785, 2248099, 2366420, 2569256, 3211570, 4496198, 4732840, 6423140, 8992396, 11240495, 12846280, 17984792, 22480990, 44961980, 89923960]

約数ペア:

[(1, 89923960), (2, 44961980), (4, 22480990), (5, 17984792), (7, 12846280), (8, 11240495), (10, 8992396), (14, 6423140), (19, 4732840), (20, 4496198), (28, 3211570), (35, 2569256), (38, 2366420), (40, 2248099), (56, 1605785), (70, 1284628), (76, 1183210), (95, 946568), (133, 676120), (140, 642314), (152, 591605), (190, 473284), (266, 338060), (280, 321157), (380, 236642), (532, 169030), (665, 135224), (760, 118321), (1064, 84515), (1330, 67612), (2660, 33806), (5320, 16903)]