4707440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 11622024

約数和(自身を除く): 6914584

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 361, 380, 652, 722, 760, 815, 1304, 1444, 1520, 1630, 1805, 2608, 2888, 3097, 3260, 3610, 5776, 6194, 6520, 7220, 12388, 13040, 14440, 15485, 24776, 28880, 30970, 49552, 58843, 61940, 117686, 123880, 235372, 247760, 294215, 470744, 588430, 941488, 1176860, 2353720, 4707440]

約数ペア:

[(1, 4707440), (2, 2353720), (4, 1176860), (5, 941488), (8, 588430), (10, 470744), (16, 294215), (19, 247760), (20, 235372), (38, 123880), (40, 117686), (76, 61940), (80, 58843), (95, 49552), (152, 30970), (163, 28880), (190, 24776), (304, 15485), (326, 14440), (361, 13040), (380, 12388), (652, 7220), (722, 6520), (760, 6194), (815, 5776), (1304, 3610), (1444, 3260), (1520, 3097), (1630, 2888), (1805, 2608)]