209519339900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{161168723}}^1$

素因数の和:161168750

約数の個数: 36

約数和(自身を含む): 489630583512

約数和(自身を除く): 280111243612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 161168723, 322337446, 644674892, 805843615, 1611687230, 2095193399, 3223374460, 4029218075, 4190386798, 8058436150, 8380773596, 10475966995, 16116872300, 20951933990, 41903867980, 52379834975, 104759669950, 209519339900]

約数ペア:

[(1, 209519339900), (2, 104759669950), (4, 52379834975), (5, 41903867980), (10, 20951933990), (13, 16116872300), (20, 10475966995), (25, 8380773596), (26, 8058436150), (50, 4190386798), (52, 4029218075), (65, 3223374460), (100, 2095193399), (130, 1611687230), (260, 805843615), (325, 644674892), (650, 322337446), (1300, 161168723)]