319788430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{129469}}^1$

素因数の和:129508

約数の個数: 32

約数和(自身を含む): 652528800

約数和(自身を除く): 332740370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 129469, 258938, 647345, 1294690, 1683097, 2459911, 3366194, 4919822, 8415485, 12299555, 16830970, 24599110, 31978843, 63957686, 159894215, 319788430]

約数ペア:

[(1, 319788430), (2, 159894215), (5, 63957686), (10, 31978843), (13, 24599110), (19, 16830970), (26, 12299555), (38, 8415485), (65, 4919822), (95, 3366194), (130, 2459911), (190, 1683097), (247, 1294690), (494, 647345), (1235, 258938), (2470, 129469)]