203928400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39217}}^1$

素因数の和:39248

約数の個数: 60

約数和(自身を含む): 527638972

約数和(自身を除く): 323710572

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 39217, 78434, 156868, 196085, 313736, 392170, 509821, 627472, 784340, 980425, 1019642, 1568680, 1960850, 2039284, 2549105, 3137360, 3921700, 4078568, 5098210, 7843400, 8157136, 10196420, 12745525, 15686800, 20392840, 25491050, 40785680, 50982100, 101964200, 203928400]

約数ペア:

[(1, 203928400), (2, 101964200), (4, 50982100), (5, 40785680), (8, 25491050), (10, 20392840), (13, 15686800), (16, 12745525), (20, 10196420), (25, 8157136), (26, 7843400), (40, 5098210), (50, 4078568), (52, 3921700), (65, 3137360), (80, 2549105), (100, 2039284), (104, 1960850), (130, 1568680), (200, 1019642), (208, 980425), (260, 784340), (325, 627472), (400, 509821), (520, 392170), (650, 313736), (1040, 196085), (1300, 156868), (2600, 78434), (5200, 39217)]