18238776700

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1\times {\mathrm{2063}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 39879947520

約数和(自身を除く): 21641170820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 419, 422, 838, 844, 1055, 1676, 2063, 2095, 2110, 4126, 4190, 4220, 5275, 8252, 8380, 10315, 10475, 10550, 20630, 20950, 21100, 41260, 41900, 51575, 88409, 103150, 176818, 206300, 353636, 435293, 442045, 864397, 870586, 884090, 1728794, 1741172, 1768180, 2176465, 2210225, 3457588, 4321985, 4352930, 4420450, 8643970, 8705860, 8840900, 10882325, 17287940, 21609925, 21764650, 43219850, 43529300, 86439700, 182387767, 364775534, 729551068, 911938835, 1823877670, 3647755340, 4559694175, 9119388350, 18238776700]

約数ペア:

[(1, 18238776700), (2, 9119388350), (4, 4559694175), (5, 3647755340), (10, 1823877670), (20, 911938835), (25, 729551068), (50, 364775534), (100, 182387767), (211, 86439700), (419, 43529300), (422, 43219850), (838, 21764650), (844, 21609925), (1055, 17287940), (1676, 10882325), (2063, 8840900), (2095, 8705860), (2110, 8643970), (4126, 4420450), (4190, 4352930), (4220, 4321985), (5275, 3457588), (8252, 2210225), (8380, 2176465), (10315, 1768180), (10475, 1741172), (10550, 1728794), (20630, 884090), (20950, 870586), (21100, 864397), (41260, 442045), (41900, 435293), (51575, 353636), (88409, 206300), (103150, 176818)]