488889660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{166289}}^1$

素因数の和:166315

約数の個数: 72

約数和(自身を含む): 1592393040

約数和(自身を除く): 1103503380

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, 166289, 332578, 498867, 665156, 831445, 997734, 1164023, 1662890, 1995468, 2328046, 2494335, 3325780, 3492069, 4656092, 4988670, 5820115, 6984138, 8148161, 9977340, 11640230, 13968276, 16296322, 17460345, 23280460, 24444483, 32592644, 34920690, 40740805, 48888966, 69841380, 81481610, 97777932, 122222415, 162963220, 244444830, 488889660]

約数ペア:

[(1, 488889660), (2, 244444830), (3, 162963220), (4, 122222415), (5, 97777932), (6, 81481610), (7, 69841380), (10, 48888966), (12, 40740805), (14, 34920690), (15, 32592644), (20, 24444483), (21, 23280460), (28, 17460345), (30, 16296322), (35, 13968276), (42, 11640230), (49, 9977340), (60, 8148161), (70, 6984138), (84, 5820115), (98, 4988670), (105, 4656092), (140, 3492069), (147, 3325780), (196, 2494335), (210, 2328046), (245, 1995468), (294, 1662890), (420, 1164023), (490, 997734), (588, 831445), (735, 665156), (980, 498867), (1470, 332578), (2940, 166289)]