285729780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97187}}^1$

素因数の和:97213

約数の個数: 72

約数和(自身を含む): 930672288

約数和(自身を除く): 644942508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 97187, 194374, 291561, 388748, 485935, 583122, 680309, 971870, 1166244, 1360618, 1457805, 1943740, 2040927, 2721236, 2915610, 3401545, 4081854, 4762163, 5831220, 6803090, 8163708, 9524326, 10204635, 13606180, 14286489, 19048652, 20409270, 23810815, 28572978, 40818540, 47621630, 57145956, 71432445, 95243260, 142864890, 285729780]

約数ペア:

[(1, 285729780), (2, 142864890), (3, 95243260), (4, 71432445), (5, 57145956), (6, 47621630), (7, 40818540), (10, 28572978), (12, 23810815), (14, 20409270), (15, 19048652), (20, 14286489), (21, 13606180), (28, 10204635), (30, 9524326), (35, 8163708), (42, 6803090), (49, 5831220), (60, 4762163), (70, 4081854), (84, 3401545), (98, 2915610), (105, 2721236), (140, 2040927), (147, 1943740), (196, 1457805), (210, 1360618), (245, 1166244), (294, 971870), (420, 680309), (490, 583122), (588, 485935), (735, 388748), (980, 291561), (1470, 194374), (2940, 97187)]