204027390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{107951}}^1$

素因数の和:107974

約数の個数: 64

約数和(自身を含む): 621803520

約数和(自身を除く): 417776130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 107951, 215902, 323853, 539755, 647706, 755657, 971559, 1079510, 1511314, 1619265, 1943118, 2266971, 2914677, 3238530, 3778285, 4533942, 4857795, 5829354, 6800913, 7556570, 9715590, 11334855, 13601826, 14573385, 20402739, 22669710, 29146770, 34004565, 40805478, 68009130, 102013695, 204027390]

約数ペア:

[(1, 204027390), (2, 102013695), (3, 68009130), (5, 40805478), (6, 34004565), (7, 29146770), (9, 22669710), (10, 20402739), (14, 14573385), (15, 13601826), (18, 11334855), (21, 9715590), (27, 7556570), (30, 6800913), (35, 5829354), (42, 4857795), (45, 4533942), (54, 3778285), (63, 3238530), (70, 2914677), (90, 2266971), (105, 1943118), (126, 1619265), (135, 1511314), (189, 1079510), (210, 971559), (270, 755657), (315, 647706), (378, 539755), (630, 323853), (945, 215902), (1890, 107951)]