142728520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1429}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 352123200

約数和(自身を除く): 209394680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1429, 1816, 2270, 2497, 2858, 4540, 4994, 5716, 7145, 9080, 9988, 11432, 12485, 14290, 15719, 19976, 24970, 28580, 31438, 49940, 57160, 62876, 78595, 99880, 125752, 157190, 314380, 324383, 628760, 648766, 1297532, 1621915, 2595064, 3243830, 3568213, 6487660, 7136426, 12975320, 14272852, 17841065, 28545704, 35682130, 71364260, 142728520]

約数ペア:

[(1, 142728520), (2, 71364260), (4, 35682130), (5, 28545704), (8, 17841065), (10, 14272852), (11, 12975320), (20, 7136426), (22, 6487660), (40, 3568213), (44, 3243830), (55, 2595064), (88, 1621915), (110, 1297532), (220, 648766), (227, 628760), (440, 324383), (454, 314380), (908, 157190), (1135, 125752), (1429, 99880), (1816, 78595), (2270, 62876), (2497, 57160), (2858, 49940), (4540, 31438), (4994, 28580), (5716, 24970), (7145, 19976), (9080, 15719), (9988, 14290), (11432, 12485)]