38158900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 90228600

約数和(自身を除く): 52069700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 197, 260, 298, 325, 394, 596, 650, 745, 788, 985, 1300, 1490, 1937, 1970, 2561, 2980, 3725, 3874, 3940, 4925, 5122, 7450, 7748, 9685, 9850, 10244, 12805, 14900, 19370, 19700, 25610, 29353, 38740, 48425, 51220, 58706, 64025, 96850, 117412, 128050, 146765, 193700, 256100, 293530, 381589, 587060, 733825, 763178, 1467650, 1526356, 1907945, 2935300, 3815890, 7631780, 9539725, 19079450, 38158900]

約数ペア:

[(1, 38158900), (2, 19079450), (4, 9539725), (5, 7631780), (10, 3815890), (13, 2935300), (20, 1907945), (25, 1526356), (26, 1467650), (50, 763178), (52, 733825), (65, 587060), (100, 381589), (130, 293530), (149, 256100), (197, 193700), (260, 146765), (298, 128050), (325, 117412), (394, 96850), (596, 64025), (650, 58706), (745, 51220), (788, 48425), (985, 38740), (1300, 29353), (1490, 25610), (1937, 19700), (1970, 19370), (2561, 14900), (2980, 12805), (3725, 10244), (3874, 9850), (3940, 9685), (4925, 7748), (5122, 7450)]