830208860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{4621}}^1$

素因数の和:5334

約数の個数: 48

約数和(自身を含む): 1880673312

約数和(自身を除く): 1050464452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 1382, 2764, 3455, 4621, 6910, 8983, 9242, 13820, 17966, 18484, 23105, 35932, 44915, 46210, 60073, 89830, 92420, 120146, 179660, 240292, 300365, 600730, 1201460, 3193111, 6386222, 12772444, 15965555, 31931110, 41510443, 63862220, 83020886, 166041772, 207552215, 415104430, 830208860]

約数ペア:

[(1, 830208860), (2, 415104430), (4, 207552215), (5, 166041772), (10, 83020886), (13, 63862220), (20, 41510443), (26, 31931110), (52, 15965555), (65, 12772444), (130, 6386222), (260, 3193111), (691, 1201460), (1382, 600730), (2764, 300365), (3455, 240292), (4621, 179660), (6910, 120146), (8983, 92420), (9242, 89830), (13820, 60073), (17966, 46210), (18484, 44915), (23105, 35932)]