778835540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{76207}}^1$

素因数の和:76296

約数の個数: 48

約数和(自身を含む): 1894835712

約数和(自身を除く): 1116000172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 76207, 152414, 304828, 381035, 533449, 762070, 1066898, 1524140, 2133796, 2667245, 5334490, 5563111, 10668980, 11126222, 22252444, 27815555, 38941777, 55631110, 77883554, 111262220, 155767108, 194708885, 389417770, 778835540]

約数ペア:

[(1, 778835540), (2, 389417770), (4, 194708885), (5, 155767108), (7, 111262220), (10, 77883554), (14, 55631110), (20, 38941777), (28, 27815555), (35, 22252444), (70, 11126222), (73, 10668980), (140, 5563111), (146, 5334490), (292, 2667245), (365, 2133796), (511, 1524140), (730, 1066898), (1022, 762070), (1460, 533449), (2044, 381035), (2555, 304828), (5110, 152414), (10220, 76207)]