289351210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1901}}^1$

素因数の和:2430

約数の個数: 32

約数和(自身を含む): 539011584

約数和(自身を除く): 249660374

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 491, 982, 1901, 2455, 3802, 4910, 9505, 15221, 19010, 30442, 58931, 76105, 117862, 152210, 294655, 589310, 933391, 1866782, 4666955, 9333910, 28935121, 57870242, 144675605, 289351210]

約数ペア:

[(1, 289351210), (2, 144675605), (5, 57870242), (10, 28935121), (31, 9333910), (62, 4666955), (155, 1866782), (310, 933391), (491, 589310), (982, 294655), (1901, 152210), (2455, 117862), (3802, 76105), (4910, 58931), (9505, 30442), (15221, 19010)]