1803964030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 3595181760

約数和(自身を除く): 1791217730

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 397, 409, 505, 794, 818, 1010, 1111, 1985, 2045, 2222, 3970, 4090, 4367, 4499, 5555, 8734, 8998, 11110, 21835, 22495, 40097, 41309, 43670, 44990, 80194, 82618, 162373, 200485, 206545, 324746, 400970, 413090, 441067, 454399, 811865, 882134, 908798, 1623730, 1786103, 2205335, 2271995, 3572206, 4410670, 4543990, 8930515, 16399673, 17861030, 32799346, 81998365, 163996730, 180396403, 360792806, 901982015, 1803964030]

約数ペア:

[(1, 1803964030), (2, 901982015), (5, 360792806), (10, 180396403), (11, 163996730), (22, 81998365), (55, 32799346), (101, 17861030), (110, 16399673), (202, 8930515), (397, 4543990), (409, 4410670), (505, 3572206), (794, 2271995), (818, 2205335), (1010, 1786103), (1111, 1623730), (1985, 908798), (2045, 882134), (2222, 811865), (3970, 454399), (4090, 441067), (4367, 413090), (4499, 400970), (5555, 324746), (8734, 206545), (8998, 200485), (11110, 162373), (21835, 82618), (22495, 80194), (40097, 44990), (41309, 43670)]