28132860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1367}}^1$

素因数の和:1400

約数の個数: 96

約数和(自身を含む): 91929600

約数和(自身を除く): 63796740

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, 1367, 1372, 1470, 1715, 2058, 2734, 2940, 3430, 4101, 4116, 5145, 5468, 6835, 6860, 8202, 9569, 10290, 13670, 16404, 19138, 20505, 20580, 27340, 28707, 38276, 41010, 47845, 57414, 66983, 82020, 95690, 114828, 133966, 143535, 191380, 200949, 267932, 287070, 334915, 401898, 468881, 574140, 669830, 803796, 937762, 1004745, 1339660, 1406643, 1875524, 2009490, 2344405, 2813286, 4018980, 4688810, 5626572, 7033215, 9377620, 14066430, 28132860]

約数ペア:

[(1, 28132860), (2, 14066430), (3, 9377620), (4, 7033215), (5, 5626572), (6, 4688810), (7, 4018980), (10, 2813286), (12, 2344405), (14, 2009490), (15, 1875524), (20, 1406643), (21, 1339660), (28, 1004745), (30, 937762), (35, 803796), (42, 669830), (49, 574140), (60, 468881), (70, 401898), (84, 334915), (98, 287070), (105, 267932), (140, 200949), (147, 191380), (196, 143535), (210, 133966), (245, 114828), (294, 95690), (343, 82020), (420, 66983), (490, 57414), (588, 47845), (686, 41010), (735, 38276), (980, 28707), (1029, 27340), (1367, 20580), (1372, 20505), (1470, 19138), (1715, 16404), (2058, 13670), (2734, 10290), (2940, 9569), (3430, 8202), (4101, 6860), (4116, 6835), (5145, 5468)]