31799800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 79994880

約数和(自身を除く): 48195080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 31, 40, 46, 50, 62, 92, 100, 115, 124, 155, 184, 200, 223, 230, 248, 310, 446, 460, 575, 620, 713, 775, 892, 920, 1115, 1150, 1240, 1426, 1550, 1784, 2230, 2300, 2852, 3100, 3565, 4460, 4600, 5129, 5575, 5704, 6200, 6913, 7130, 8920, 10258, 11150, 13826, 14260, 17825, 20516, 22300, 25645, 27652, 28520, 34565, 35650, 41032, 44600, 51290, 55304, 69130, 71300, 102580, 128225, 138260, 142600, 158999, 172825, 205160, 256450, 276520, 317998, 345650, 512900, 635996, 691300, 794995, 1025800, 1271992, 1382600, 1589990, 3179980, 3974975, 6359960, 7949950, 15899900, 31799800]

約数ペア:

[(1, 31799800), (2, 15899900), (4, 7949950), (5, 6359960), (8, 3974975), (10, 3179980), (20, 1589990), (23, 1382600), (25, 1271992), (31, 1025800), (40, 794995), (46, 691300), (50, 635996), (62, 512900), (92, 345650), (100, 317998), (115, 276520), (124, 256450), (155, 205160), (184, 172825), (200, 158999), (223, 142600), (230, 138260), (248, 128225), (310, 102580), (446, 71300), (460, 69130), (575, 55304), (620, 51290), (713, 44600), (775, 41032), (892, 35650), (920, 34565), (1115, 28520), (1150, 27652), (1240, 25645), (1426, 22300), (1550, 20516), (1784, 17825), (2230, 14260), (2300, 13826), (2852, 11150), (3100, 10258), (3565, 8920), (4460, 7130), (4600, 6913), (5129, 6200), (5575, 5704)]