28869990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:917

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 44673690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 839, 930, 1110, 1147, 1678, 2294, 2517, 3441, 4195, 5034, 5735, 6882, 8390, 11470, 12585, 17205, 25170, 26009, 31043, 34410, 52018, 62086, 78027, 93129, 130045, 155215, 156054, 186258, 260090, 310430, 390135, 465645, 780270, 931290, 962333, 1924666, 2886999, 4811665, 5773998, 9623330, 14434995, 28869990]

約数ペア:

[(1, 28869990), (2, 14434995), (3, 9623330), (5, 5773998), (6, 4811665), (10, 2886999), (15, 1924666), (30, 962333), (31, 931290), (37, 780270), (62, 465645), (74, 390135), (93, 310430), (111, 260090), (155, 186258), (185, 156054), (186, 155215), (222, 130045), (310, 93129), (370, 78027), (465, 62086), (555, 52018), (839, 34410), (930, 31043), (1110, 26009), (1147, 25170), (1678, 17205), (2294, 12585), (2517, 11470), (3441, 8390), (4195, 6882), (5034, 5735)]