1948380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4639}}^1$

素因数の和:4658

約数の個数: 48

約数和(自身を含む): 6236160

約数和(自身を除く): 4287780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4639, 9278, 13917, 18556, 23195, 27834, 32473, 46390, 55668, 64946, 69585, 92780, 97419, 129892, 139170, 162365, 194838, 278340, 324730, 389676, 487095, 649460, 974190, 1948380]

約数ペア:

[(1, 1948380), (2, 974190), (3, 649460), (4, 487095), (5, 389676), (6, 324730), (7, 278340), (10, 194838), (12, 162365), (14, 139170), (15, 129892), (20, 97419), (21, 92780), (28, 69585), (30, 64946), (35, 55668), (42, 46390), (60, 32473), (70, 27834), (84, 23195), (105, 18556), (140, 13917), (210, 9278), (420, 4639)]