4840220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 12927600

約数和(自身を除く): 8087380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 449, 490, 539, 770, 898, 980, 1078, 1540, 1796, 2156, 2245, 2695, 3143, 4490, 4939, 5390, 6286, 8980, 9878, 10780, 12572, 15715, 19756, 22001, 24695, 31430, 34573, 44002, 49390, 62860, 69146, 88004, 98780, 110005, 138292, 172865, 220010, 242011, 345730, 440020, 484022, 691460, 968044, 1210055, 2420110, 4840220]

約数ペア:

[(1, 4840220), (2, 2420110), (4, 1210055), (5, 968044), (7, 691460), (10, 484022), (11, 440020), (14, 345730), (20, 242011), (22, 220010), (28, 172865), (35, 138292), (44, 110005), (49, 98780), (55, 88004), (70, 69146), (77, 62860), (98, 49390), (110, 44002), (140, 34573), (154, 31430), (196, 24695), (220, 22001), (245, 19756), (308, 15715), (385, 12572), (449, 10780), (490, 9878), (539, 8980), (770, 6286), (898, 5390), (980, 4939), (1078, 4490), (1540, 3143), (1796, 2695), (2156, 2245)]