319957300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{246121}}^1$

素因数の和:246148

約数の個数: 36

約数和(自身を含む): 747718636

約数和(自身を除く): 427761336

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 246121, 492242, 984484, 1230605, 2461210, 3199573, 4922420, 6153025, 6399146, 12306050, 12798292, 15997865, 24612100, 31995730, 63991460, 79989325, 159978650, 319957300]

約数ペア:

[(1, 319957300), (2, 159978650), (4, 79989325), (5, 63991460), (10, 31995730), (13, 24612100), (20, 15997865), (25, 12798292), (26, 12306050), (50, 6399146), (52, 6153025), (65, 4922420), (100, 3199573), (130, 2461210), (260, 1230605), (325, 984484), (650, 492242), (1300, 246121)]