489208980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{627191}}^1$

素因数の和:627216

約数の個数: 48

約数和(自身を含む): 1475155584

約数和(自身を除く): 985946604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 627191, 1254382, 1881573, 2508764, 3135955, 3763146, 6271910, 7526292, 8153483, 9407865, 12543820, 16306966, 18815730, 24460449, 32613932, 37631460, 40767415, 48920898, 81534830, 97841796, 122302245, 163069660, 244604490, 489208980]

約数ペア:

[(1, 489208980), (2, 244604490), (3, 163069660), (4, 122302245), (5, 97841796), (6, 81534830), (10, 48920898), (12, 40767415), (13, 37631460), (15, 32613932), (20, 24460449), (26, 18815730), (30, 16306966), (39, 12543820), (52, 9407865), (60, 8153483), (65, 7526292), (78, 6271910), (130, 3763146), (156, 3135955), (195, 2508764), (260, 1881573), (390, 1254382), (780, 627191)]