277839250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 571046112

約数和(自身を除く): 293206862

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 250, 265, 325, 530, 650, 689, 1325, 1378, 1613, 1625, 2650, 3226, 3250, 3445, 6625, 6890, 8065, 13250, 16130, 17225, 20969, 34450, 40325, 41938, 80650, 85489, 86125, 104845, 170978, 172250, 201625, 209690, 403250, 427445, 524225, 854890, 1048450, 1111357, 2137225, 2222714, 2621125, 4274450, 5242250, 5556785, 10686125, 11113570, 21372250, 27783925, 55567850, 138919625, 277839250]

約数ペア:

[(1, 277839250), (2, 138919625), (5, 55567850), (10, 27783925), (13, 21372250), (25, 11113570), (26, 10686125), (50, 5556785), (53, 5242250), (65, 4274450), (106, 2621125), (125, 2222714), (130, 2137225), (250, 1111357), (265, 1048450), (325, 854890), (530, 524225), (650, 427445), (689, 403250), (1325, 209690), (1378, 201625), (1613, 172250), (1625, 170978), (2650, 104845), (3226, 86125), (3250, 85489), (3445, 80650), (6625, 41938), (6890, 40325), (8065, 34450), (13250, 20969), (16130, 17225)]