31821580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 81874800

約数和(自身を除く): 50053220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1709, 1862, 2660, 3418, 3724, 4655, 6836, 8545, 9310, 11963, 17090, 18620, 23926, 32471, 34180, 47852, 59815, 64942, 83741, 119630, 129884, 162355, 167482, 227297, 239260, 324710, 334964, 418705, 454594, 649420, 837410, 909188, 1136485, 1591079, 1674820, 2272970, 3182158, 4545940, 6364316, 7955395, 15910790, 31821580]

約数ペア:

[(1, 31821580), (2, 15910790), (4, 7955395), (5, 6364316), (7, 4545940), (10, 3182158), (14, 2272970), (19, 1674820), (20, 1591079), (28, 1136485), (35, 909188), (38, 837410), (49, 649420), (70, 454594), (76, 418705), (95, 334964), (98, 324710), (133, 239260), (140, 227297), (190, 167482), (196, 162355), (245, 129884), (266, 119630), (380, 83741), (490, 64942), (532, 59815), (665, 47852), (931, 34180), (980, 32471), (1330, 23926), (1709, 18620), (1862, 17090), (2660, 11963), (3418, 9310), (3724, 8545), (4655, 6836)]