664394900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7001}}^1$

素因数の和:7101

約数の個数: 72

約数和(自身を含む): 1574133624

約数和(自身を除く): 909738724

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 730, 949, 1300, 1460, 1825, 1898, 3650, 3796, 4745, 7001, 7300, 9490, 14002, 18980, 23725, 28004, 35005, 47450, 70010, 91013, 94900, 140020, 175025, 182026, 350050, 364052, 455065, 511073, 700100, 910130, 1022146, 1820260, 2044292, 2275325, 2555365, 4550650, 5110730, 6643949, 9101300, 10221460, 12776825, 13287898, 25553650, 26575796, 33219745, 51107300, 66439490, 132878980, 166098725, 332197450, 664394900]

約数ペア:

[(1, 664394900), (2, 332197450), (4, 166098725), (5, 132878980), (10, 66439490), (13, 51107300), (20, 33219745), (25, 26575796), (26, 25553650), (50, 13287898), (52, 12776825), (65, 10221460), (73, 9101300), (100, 6643949), (130, 5110730), (146, 4550650), (260, 2555365), (292, 2275325), (325, 2044292), (365, 1820260), (650, 1022146), (730, 910130), (949, 700100), (1300, 511073), (1460, 455065), (1825, 364052), (1898, 350050), (3650, 182026), (3796, 175025), (4745, 140020), (7001, 94900), (7300, 91013), (9490, 70010), (14002, 47450), (18980, 35005), (23725, 28004)]