2017430940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{686201}}^1$

素因数の和:686227

約数の個数: 72

約数和(自身を含む): 6571070352

約数和(自身を除く): 4553639412

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, 686201, 1372402, 2058603, 2744804, 3431005, 4117206, 4803407, 6862010, 8234412, 9606814, 10293015, 13724020, 14410221, 19213628, 20586030, 24017035, 28820442, 33623849, 41172060, 48034070, 57640884, 67247698, 72051105, 96068140, 100871547, 134495396, 144102210, 168119245, 201743094, 288204420, 336238490, 403486188, 504357735, 672476980, 1008715470, 2017430940]

約数ペア:

[(1, 2017430940), (2, 1008715470), (3, 672476980), (4, 504357735), (5, 403486188), (6, 336238490), (7, 288204420), (10, 201743094), (12, 168119245), (14, 144102210), (15, 134495396), (20, 100871547), (21, 96068140), (28, 72051105), (30, 67247698), (35, 57640884), (42, 48034070), (49, 41172060), (60, 33623849), (70, 28820442), (84, 24017035), (98, 20586030), (105, 19213628), (140, 14410221), (147, 13724020), (196, 10293015), (210, 9606814), (245, 8234412), (294, 6862010), (420, 4803407), (490, 4117206), (588, 3431005), (735, 2744804), (980, 2058603), (1470, 1372402), (2940, 686201)]