100919840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{90107}}^1$

素因数の和:90129

約数の個数: 48

約数和(自身を含む): 272486592

約数和(自身を除く): 171566752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 90107, 180214, 360428, 450535, 630749, 720856, 901070, 1261498, 1441712, 1802140, 2522996, 2883424, 3153745, 3604280, 5045992, 6307490, 7208560, 10091984, 12614980, 14417120, 20183968, 25229960, 50459920, 100919840]

約数ペア:

[(1, 100919840), (2, 50459920), (4, 25229960), (5, 20183968), (7, 14417120), (8, 12614980), (10, 10091984), (14, 7208560), (16, 6307490), (20, 5045992), (28, 3604280), (32, 3153745), (35, 2883424), (40, 2522996), (56, 1802140), (70, 1441712), (80, 1261498), (112, 901070), (140, 720856), (160, 630749), (224, 450535), (280, 360428), (560, 180214), (1120, 90107)]