213050500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 509090400

約数和(自身を除く): 296039900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 125, 130, 146, 250, 260, 292, 325, 365, 449, 500, 650, 730, 898, 949, 1300, 1460, 1625, 1796, 1825, 1898, 2245, 3250, 3650, 3796, 4490, 4745, 5837, 6500, 7300, 8980, 9125, 9490, 11225, 11674, 18250, 18980, 22450, 23348, 23725, 29185, 32777, 36500, 44900, 47450, 56125, 58370, 65554, 94900, 112250, 116740, 118625, 131108, 145925, 163885, 224500, 237250, 291850, 327770, 426101, 474500, 583700, 655540, 729625, 819425, 852202, 1459250, 1638850, 1704404, 2130505, 2918500, 3277700, 4097125, 4261010, 8194250, 8522020, 10652525, 16388500, 21305050, 42610100, 53262625, 106525250, 213050500]

約数ペア:

[(1, 213050500), (2, 106525250), (4, 53262625), (5, 42610100), (10, 21305050), (13, 16388500), (20, 10652525), (25, 8522020), (26, 8194250), (50, 4261010), (52, 4097125), (65, 3277700), (73, 2918500), (100, 2130505), (125, 1704404), (130, 1638850), (146, 1459250), (250, 852202), (260, 819425), (292, 729625), (325, 655540), (365, 583700), (449, 474500), (500, 426101), (650, 327770), (730, 291850), (898, 237250), (949, 224500), (1300, 163885), (1460, 145925), (1625, 131108), (1796, 118625), (1825, 116740), (1898, 112250), (2245, 94900), (3250, 65554), (3650, 58370), (3796, 56125), (4490, 47450), (4745, 44900), (5837, 36500), (6500, 32777), (7300, 29185), (8980, 23725), (9125, 23348), (9490, 22450), (11225, 18980), (11674, 18250)]