1678791620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331777}}^1$

素因数の和:331820

約数の個数: 48

約数和(自身を含む): 4013186688

約数和(自身を除く): 2334395068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 331777, 663554, 1327108, 1658885, 3317770, 3649547, 6635540, 7299094, 7630871, 14598188, 15261742, 18247735, 30523484, 36495470, 38154355, 72990940, 76308710, 83939581, 152617420, 167879162, 335758324, 419697905, 839395810, 1678791620]

約数ペア:

[(1, 1678791620), (2, 839395810), (4, 419697905), (5, 335758324), (10, 167879162), (11, 152617420), (20, 83939581), (22, 76308710), (23, 72990940), (44, 38154355), (46, 36495470), (55, 30523484), (92, 18247735), (110, 15261742), (115, 14598188), (220, 7630871), (230, 7299094), (253, 6635540), (460, 3649547), (506, 3317770), (1012, 1658885), (1265, 1327108), (2530, 663554), (5060, 331777)]