28997220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1409}}^1$

素因数の和:1442

約数の個数: 96

約数和(自身を含む): 94752000

約数和(自身を除く): 65754780

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, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1409, 1470, 1715, 2058, 2818, 2940, 3430, 4116, 4227, 5145, 5636, 6860, 7045, 8454, 9863, 10290, 14090, 16908, 19726, 20580, 21135, 28180, 29589, 39452, 42270, 49315, 59178, 69041, 84540, 98630, 118356, 138082, 147945, 197260, 207123, 276164, 295890, 345205, 414246, 483287, 591780, 690410, 828492, 966574, 1035615, 1380820, 1449861, 1933148, 2071230, 2416435, 2899722, 4142460, 4832870, 5799444, 7249305, 9665740, 14498610, 28997220]

約数ペア:

[(1, 28997220), (2, 14498610), (3, 9665740), (4, 7249305), (5, 5799444), (6, 4832870), (7, 4142460), (10, 2899722), (12, 2416435), (14, 2071230), (15, 1933148), (20, 1449861), (21, 1380820), (28, 1035615), (30, 966574), (35, 828492), (42, 690410), (49, 591780), (60, 483287), (70, 414246), (84, 345205), (98, 295890), (105, 276164), (140, 207123), (147, 197260), (196, 147945), (210, 138082), (245, 118356), (294, 98630), (343, 84540), (420, 69041), (490, 59178), (588, 49315), (686, 42270), (735, 39452), (980, 29589), (1029, 28180), (1372, 21135), (1409, 20580), (1470, 19726), (1715, 16908), (2058, 14090), (2818, 10290), (2940, 9863), (3430, 8454), (4116, 7045), (4227, 6860), (5145, 5636)]