20249100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 108

約数和(自身を含む): 64318800

約数和(自身を除く): 44069700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 149, 150, 151, 180, 225, 298, 300, 302, 447, 450, 453, 596, 604, 745, 755, 894, 900, 906, 1341, 1359, 1490, 1510, 1788, 1812, 2235, 2265, 2682, 2718, 2980, 3020, 3725, 3775, 4470, 4530, 5364, 5436, 6705, 6795, 7450, 7550, 8940, 9060, 11175, 11325, 13410, 13590, 14900, 15100, 22350, 22499, 22650, 26820, 27180, 33525, 33975, 44700, 44998, 45300, 67050, 67497, 67950, 89996, 112495, 134100, 134994, 135900, 202491, 224990, 269988, 337485, 404982, 449980, 562475, 674970, 809964, 1012455, 1124950, 1349940, 1687425, 2024910, 2249900, 3374850, 4049820, 5062275, 6749700, 10124550, 20249100]

約数ペア:

[(1, 20249100), (2, 10124550), (3, 6749700), (4, 5062275), (5, 4049820), (6, 3374850), (9, 2249900), (10, 2024910), (12, 1687425), (15, 1349940), (18, 1124950), (20, 1012455), (25, 809964), (30, 674970), (36, 562475), (45, 449980), (50, 404982), (60, 337485), (75, 269988), (90, 224990), (100, 202491), (149, 135900), (150, 134994), (151, 134100), (180, 112495), (225, 89996), (298, 67950), (300, 67497), (302, 67050), (447, 45300), (450, 44998), (453, 44700), (596, 33975), (604, 33525), (745, 27180), (755, 26820), (894, 22650), (900, 22499), (906, 22350), (1341, 15100), (1359, 14900), (1490, 13590), (1510, 13410), (1788, 11325), (1812, 11175), (2235, 9060), (2265, 8940), (2682, 7550), (2718, 7450), (2980, 6795), (3020, 6705), (3725, 5436), (3775, 5364), (4470, 4530)]