28187130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 70761600

約数和(自身を除く): 42574470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 179, 181, 290, 358, 362, 435, 537, 543, 870, 895, 905, 1074, 1086, 1790, 1810, 2685, 2715, 5191, 5249, 5370, 5430, 10382, 10498, 15573, 15747, 25955, 26245, 31146, 31494, 32399, 51910, 52490, 64798, 77865, 78735, 97197, 155730, 157470, 161995, 194394, 323990, 485985, 939571, 971970, 1879142, 2818713, 4697855, 5637426, 9395710, 14093565, 28187130]

約数ペア:

[(1, 28187130), (2, 14093565), (3, 9395710), (5, 5637426), (6, 4697855), (10, 2818713), (15, 1879142), (29, 971970), (30, 939571), (58, 485985), (87, 323990), (145, 194394), (174, 161995), (179, 157470), (181, 155730), (290, 97197), (358, 78735), (362, 77865), (435, 64798), (537, 52490), (543, 51910), (870, 32399), (895, 31494), (905, 31146), (1074, 26245), (1086, 25955), (1790, 15747), (1810, 15573), (2685, 10498), (2715, 10382), (5191, 5430), (5249, 5370)]