28496580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3609

約数の個数: 96

約数和(自身を含む): 96015360

約数和(自身を除く): 67518780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3571, 3990, 7142, 7980, 10713, 14284, 17855, 21426, 24997, 35710, 42852, 49994, 53565, 67849, 71420, 74991, 99988, 107130, 124985, 135698, 149982, 203547, 214260, 249970, 271396, 299964, 339245, 374955, 407094, 474943, 499940, 678490, 749910, 814188, 949886, 1017735, 1356980, 1424829, 1499820, 1899772, 2035470, 2374715, 2849658, 4070940, 4749430, 5699316, 7124145, 9498860, 14248290, 28496580]

約数ペア:

[(1, 28496580), (2, 14248290), (3, 9498860), (4, 7124145), (5, 5699316), (6, 4749430), (7, 4070940), (10, 2849658), (12, 2374715), (14, 2035470), (15, 1899772), (19, 1499820), (20, 1424829), (21, 1356980), (28, 1017735), (30, 949886), (35, 814188), (38, 749910), (42, 678490), (57, 499940), (60, 474943), (70, 407094), (76, 374955), (84, 339245), (95, 299964), (105, 271396), (114, 249970), (133, 214260), (140, 203547), (190, 149982), (210, 135698), (228, 124985), (266, 107130), (285, 99988), (380, 74991), (399, 71420), (420, 67849), (532, 53565), (570, 49994), (665, 42852), (798, 35710), (1140, 24997), (1330, 21426), (1596, 17855), (1995, 14284), (2660, 10713), (3571, 7980), (3990, 7142)]