402470900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4241}}^1$

素因数の和:4341

約数の個数: 72

約数和(自身を含む): 953652504

約数和(自身を除く): 551181604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 650, 730, 949, 1300, 1460, 1825, 1898, 3650, 3796, 4241, 4745, 7300, 8482, 9490, 16964, 18980, 21205, 23725, 42410, 47450, 55133, 84820, 94900, 106025, 110266, 212050, 220532, 275665, 309593, 424100, 551330, 619186, 1102660, 1238372, 1378325, 1547965, 2756650, 3095930, 4024709, 5513300, 6191860, 7739825, 8049418, 15479650, 16098836, 20123545, 30959300, 40247090, 80494180, 100617725, 201235450, 402470900]

約数ペア:

[(1, 402470900), (2, 201235450), (4, 100617725), (5, 80494180), (10, 40247090), (13, 30959300), (20, 20123545), (25, 16098836), (26, 15479650), (50, 8049418), (52, 7739825), (65, 6191860), (73, 5513300), (100, 4024709), (130, 3095930), (146, 2756650), (260, 1547965), (292, 1378325), (325, 1238372), (365, 1102660), (650, 619186), (730, 551330), (949, 424100), (1300, 309593), (1460, 275665), (1825, 220532), (1898, 212050), (3650, 110266), (3796, 106025), (4241, 94900), (4745, 84820), (7300, 55133), (8482, 47450), (9490, 42410), (16964, 23725), (18980, 21205)]