390757900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{300583}}^1$

素因数の和:300610

約数の個数: 36

約数和(自身を含む): 913174192

約数和(自身を除く): 522416292

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 300583, 601166, 1202332, 1502915, 3005830, 3907579, 6011660, 7514575, 7815158, 15029150, 15630316, 19537895, 30058300, 39075790, 78151580, 97689475, 195378950, 390757900]

約数ペア:

[(1, 390757900), (2, 195378950), (4, 97689475), (5, 78151580), (10, 39075790), (13, 30058300), (20, 19537895), (25, 15630316), (26, 15029150), (50, 7815158), (52, 7514575), (65, 6011660), (100, 3907579), (130, 3005830), (260, 1502915), (325, 1202332), (650, 601166), (1300, 300583)]