378777770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 794914560

約数和(自身を除く): 416136790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 163, 178, 326, 373, 445, 623, 746, 815, 890, 1141, 1246, 1630, 1865, 2282, 2611, 3115, 3730, 5222, 5705, 6230, 11410, 13055, 14507, 26110, 29014, 33197, 60799, 66394, 72535, 101549, 121598, 145070, 165985, 203098, 232379, 303995, 331970, 425593, 464758, 507745, 607990, 851186, 1015490, 1161895, 2127965, 2323790, 4255930, 5411111, 10822222, 27055555, 37877777, 54111110, 75755554, 189388885, 378777770]

約数ペア:

[(1, 378777770), (2, 189388885), (5, 75755554), (7, 54111110), (10, 37877777), (14, 27055555), (35, 10822222), (70, 5411111), (89, 4255930), (163, 2323790), (178, 2127965), (326, 1161895), (373, 1015490), (445, 851186), (623, 607990), (746, 507745), (815, 464758), (890, 425593), (1141, 331970), (1246, 303995), (1630, 232379), (1865, 203098), (2282, 165985), (2611, 145070), (3115, 121598), (3730, 101549), (5222, 72535), (5705, 66394), (6230, 60799), (11410, 33197), (13055, 29014), (14507, 26110)]