4508740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 10206000

約数和(自身を除く): 5697260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 149, 170, 178, 298, 340, 356, 445, 596, 745, 890, 1490, 1513, 1780, 2533, 2980, 3026, 5066, 6052, 7565, 10132, 12665, 13261, 15130, 25330, 26522, 30260, 50660, 53044, 66305, 132610, 225437, 265220, 450874, 901748, 1127185, 2254370, 4508740]

約数ペア:

[(1, 4508740), (2, 2254370), (4, 1127185), (5, 901748), (10, 450874), (17, 265220), (20, 225437), (34, 132610), (68, 66305), (85, 53044), (89, 50660), (149, 30260), (170, 26522), (178, 25330), (298, 15130), (340, 13261), (356, 12665), (445, 10132), (596, 7565), (745, 6052), (890, 5066), (1490, 3026), (1513, 2980), (1780, 2533)]