140804580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{335249}}^1$

素因数の和:335268

約数の個数: 48

約数和(自身を含む): 450576000

約数和(自身を除く): 309771420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 335249, 670498, 1005747, 1340996, 1676245, 2011494, 2346743, 3352490, 4022988, 4693486, 5028735, 6704980, 7040229, 9386972, 10057470, 11733715, 14080458, 20114940, 23467430, 28160916, 35201145, 46934860, 70402290, 140804580]

約数ペア:

[(1, 140804580), (2, 70402290), (3, 46934860), (4, 35201145), (5, 28160916), (6, 23467430), (7, 20114940), (10, 14080458), (12, 11733715), (14, 10057470), (15, 9386972), (20, 7040229), (21, 6704980), (28, 5028735), (30, 4693486), (35, 4022988), (42, 3352490), (60, 2346743), (70, 2011494), (84, 1676245), (105, 1340996), (140, 1005747), (210, 670498), (420, 335249)]