1374940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 3562272

約数和(自身を除く): 2187332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 61, 70, 92, 98, 115, 122, 140, 161, 196, 230, 244, 245, 305, 322, 427, 460, 490, 610, 644, 805, 854, 980, 1127, 1220, 1403, 1610, 1708, 2135, 2254, 2806, 2989, 3220, 4270, 4508, 5612, 5635, 5978, 7015, 8540, 9821, 11270, 11956, 14030, 14945, 19642, 22540, 28060, 29890, 39284, 49105, 59780, 68747, 98210, 137494, 196420, 274988, 343735, 687470, 1374940]

約数ペア:

[(1, 1374940), (2, 687470), (4, 343735), (5, 274988), (7, 196420), (10, 137494), (14, 98210), (20, 68747), (23, 59780), (28, 49105), (35, 39284), (46, 29890), (49, 28060), (61, 22540), (70, 19642), (92, 14945), (98, 14030), (115, 11956), (122, 11270), (140, 9821), (161, 8540), (196, 7015), (230, 5978), (244, 5635), (245, 5612), (305, 4508), (322, 4270), (427, 3220), (460, 2989), (490, 2806), (610, 2254), (644, 2135), (805, 1708), (854, 1610), (980, 1403), (1127, 1220)]