354875220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281647}}^1$

素因数の和:281669

約数の個数: 72

約数和(自身を含む): 1230238464

約数和(自身を除く): 875363244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 281647, 563294, 844941, 1126588, 1408235, 1689882, 1971529, 2534823, 2816470, 3379764, 3943058, 4224705, 5069646, 5632940, 5914587, 7886116, 8449410, 9857645, 10139292, 11829174, 12674115, 16898820, 17743761, 19715290, 23658348, 25348230, 29572935, 35487522, 39430580, 50696460, 59145870, 70975044, 88718805, 118291740, 177437610, 354875220]

約数ペア:

[(1, 354875220), (2, 177437610), (3, 118291740), (4, 88718805), (5, 70975044), (6, 59145870), (7, 50696460), (9, 39430580), (10, 35487522), (12, 29572935), (14, 25348230), (15, 23658348), (18, 19715290), (20, 17743761), (21, 16898820), (28, 12674115), (30, 11829174), (35, 10139292), (36, 9857645), (42, 8449410), (45, 7886116), (60, 5914587), (63, 5632940), (70, 5069646), (84, 4224705), (90, 3943058), (105, 3379764), (126, 2816470), (140, 2534823), (180, 1971529), (210, 1689882), (252, 1408235), (315, 1126588), (420, 844941), (630, 563294), (1260, 281647)]