2880821380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1\times {\mathrm{3929}}^1$

素因数の和:4600

約数の個数: 48

約数和(自身を含む): 6160699440

約数和(自身を除く): 3279878060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 601, 610, 1202, 1220, 2404, 3005, 3929, 6010, 7858, 12020, 15716, 19645, 36661, 39290, 73322, 78580, 146644, 183305, 239669, 366610, 479338, 733220, 958676, 1198345, 2361329, 2396690, 4722658, 4793380, 9445316, 11806645, 23613290, 47226580, 144041069, 288082138, 576164276, 720205345, 1440410690, 2880821380]

約数ペア:

[(1, 2880821380), (2, 1440410690), (4, 720205345), (5, 576164276), (10, 288082138), (20, 144041069), (61, 47226580), (122, 23613290), (244, 11806645), (305, 9445316), (601, 4793380), (610, 4722658), (1202, 2396690), (1220, 2361329), (2404, 1198345), (3005, 958676), (3929, 733220), (6010, 479338), (7858, 366610), (12020, 239669), (15716, 183305), (19645, 146644), (36661, 78580), (39290, 73322)]