1278604810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1777}}^1$

素因数の和:2351

約数の個数: 64

約数和(自身を含む): 2775386880

約数和(自身を除く): 1496782070

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 541, 665, 1082, 1330, 1777, 2705, 3554, 3787, 5410, 7574, 8885, 10279, 12439, 17770, 18935, 20558, 24878, 33763, 37870, 51395, 62195, 67526, 71953, 102790, 124390, 143906, 168815, 236341, 337630, 359765, 472682, 719530, 961357, 1181705, 1922714, 2363410, 4806785, 6729499, 9613570, 13458998, 18265783, 33647495, 36531566, 67294990, 91328915, 127860481, 182657830, 255720962, 639302405, 1278604810]

約数ペア:

[(1, 1278604810), (2, 639302405), (5, 255720962), (7, 182657830), (10, 127860481), (14, 91328915), (19, 67294990), (35, 36531566), (38, 33647495), (70, 18265783), (95, 13458998), (133, 9613570), (190, 6729499), (266, 4806785), (541, 2363410), (665, 1922714), (1082, 1181705), (1330, 961357), (1777, 719530), (2705, 472682), (3554, 359765), (3787, 337630), (5410, 236341), (7574, 168815), (8885, 143906), (10279, 124390), (12439, 102790), (17770, 71953), (18935, 67526), (20558, 62195), (24878, 51395), (33763, 37870)]