2005029279940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{7668589}}^1$

素因数の和:7669384

約数の個数: 48

約数和(自身を含む): 4464039610800

約数和(自身を除く): 2459010330860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 769, 1538, 3076, 3845, 7690, 13073, 15380, 26146, 52292, 65365, 130730, 261460, 7668589, 15337178, 30674356, 38342945, 76685890, 130366013, 153371780, 260732026, 521464052, 651830065, 1303660130, 2607320260, 5897144941, 11794289882, 23588579764, 29485724705, 58971449410, 100251463997, 117942898820, 200502927994, 401005855988, 501257319985, 1002514639970, 2005029279940]

約数ペア:

[(1, 2005029279940), (2, 1002514639970), (4, 501257319985), (5, 401005855988), (10, 200502927994), (17, 117942898820), (20, 100251463997), (34, 58971449410), (68, 29485724705), (85, 23588579764), (170, 11794289882), (340, 5897144941), (769, 2607320260), (1538, 1303660130), (3076, 651830065), (3845, 521464052), (7690, 260732026), (13073, 153371780), (15380, 130366013), (26146, 76685890), (52292, 38342945), (65365, 30674356), (130730, 15337178), (261460, 7668589)]