2278960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 5396976

約数和(自身を除く): 3118016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 467, 488, 610, 934, 976, 1220, 1868, 2335, 2440, 3736, 4670, 4880, 7472, 9340, 18680, 28487, 37360, 56974, 113948, 142435, 227896, 284870, 455792, 569740, 1139480, 2278960]

約数ペア:

[(1, 2278960), (2, 1139480), (4, 569740), (5, 455792), (8, 284870), (10, 227896), (16, 142435), (20, 113948), (40, 56974), (61, 37360), (80, 28487), (122, 18680), (244, 9340), (305, 7472), (467, 4880), (488, 4670), (610, 3736), (934, 2440), (976, 2335), (1220, 1868)]