488724040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 1284449400

約数和(自身を除く): 795725360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 389, 392, 490, 641, 778, 980, 1282, 1556, 1945, 1960, 2564, 2723, 3112, 3205, 3890, 4487, 5128, 5446, 6410, 7780, 8974, 10892, 12820, 13615, 15560, 17948, 19061, 21784, 22435, 25640, 27230, 31409, 35896, 38122, 44870, 54460, 62818, 76244, 89740, 95305, 108920, 125636, 152488, 157045, 179480, 190610, 249349, 251272, 314090, 381220, 498698, 628180, 762440, 997396, 1246745, 1256360, 1745443, 1994792, 2493490, 3490886, 4986980, 6981772, 8727215, 9973960, 12218101, 13963544, 17454430, 24436202, 34908860, 48872404, 61090505, 69817720, 97744808, 122181010, 244362020, 488724040]

約数ペア:

[(1, 488724040), (2, 244362020), (4, 122181010), (5, 97744808), (7, 69817720), (8, 61090505), (10, 48872404), (14, 34908860), (20, 24436202), (28, 17454430), (35, 13963544), (40, 12218101), (49, 9973960), (56, 8727215), (70, 6981772), (98, 4986980), (140, 3490886), (196, 2493490), (245, 1994792), (280, 1745443), (389, 1256360), (392, 1246745), (490, 997396), (641, 762440), (778, 628180), (980, 498698), (1282, 381220), (1556, 314090), (1945, 251272), (1960, 249349), (2564, 190610), (2723, 179480), (3112, 157045), (3205, 152488), (3890, 125636), (4487, 108920), (5128, 95305), (5446, 89740), (6410, 76244), (7780, 62818), (8974, 54460), (10892, 44870), (12820, 38122), (13615, 35896), (15560, 31409), (17948, 27230), (19061, 25640), (21784, 22435)]