2021963900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{7691}}^1$

素因数の和:7955

約数の個数: 72

約数和(自身を含む): 4807192320

約数和(自身を除く): 2785228420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 239, 275, 478, 550, 956, 1100, 1195, 2390, 2629, 4780, 5258, 5975, 7691, 10516, 11950, 13145, 15382, 23900, 26290, 30764, 38455, 52580, 65725, 76910, 84601, 131450, 153820, 169202, 192275, 262900, 338404, 384550, 423005, 769100, 846010, 1692020, 1838149, 2115025, 3676298, 4230050, 7352596, 8460100, 9190745, 18381490, 20219639, 36762980, 40439278, 45953725, 80878556, 91907450, 101098195, 183814900, 202196390, 404392780, 505490975, 1010981950, 2021963900]

約数ペア:

[(1, 2021963900), (2, 1010981950), (4, 505490975), (5, 404392780), (10, 202196390), (11, 183814900), (20, 101098195), (22, 91907450), (25, 80878556), (44, 45953725), (50, 40439278), (55, 36762980), (100, 20219639), (110, 18381490), (220, 9190745), (239, 8460100), (275, 7352596), (478, 4230050), (550, 3676298), (956, 2115025), (1100, 1838149), (1195, 1692020), (2390, 846010), (2629, 769100), (4780, 423005), (5258, 384550), (5975, 338404), (7691, 262900), (10516, 192275), (11950, 169202), (13145, 153820), (15382, 131450), (23900, 84601), (26290, 76910), (30764, 65725), (38455, 52580)]