19101200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 49524174

約数和(自身を除く): 30422974

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 53, 68, 80, 85, 100, 106, 136, 170, 200, 212, 265, 272, 340, 400, 424, 425, 530, 680, 848, 850, 901, 1060, 1325, 1360, 1700, 1802, 2120, 2650, 2809, 3400, 3604, 4240, 4505, 5300, 5618, 6800, 7208, 9010, 10600, 11236, 14045, 14416, 18020, 21200, 22472, 22525, 28090, 36040, 44944, 45050, 47753, 56180, 70225, 72080, 90100, 95506, 112360, 140450, 180200, 191012, 224720, 238765, 280900, 360400, 382024, 477530, 561800, 764048, 955060, 1123600, 1193825, 1910120, 2387650, 3820240, 4775300, 9550600, 19101200]

約数ペア:

[(1, 19101200), (2, 9550600), (4, 4775300), (5, 3820240), (8, 2387650), (10, 1910120), (16, 1193825), (17, 1123600), (20, 955060), (25, 764048), (34, 561800), (40, 477530), (50, 382024), (53, 360400), (68, 280900), (80, 238765), (85, 224720), (100, 191012), (106, 180200), (136, 140450), (170, 112360), (200, 95506), (212, 90100), (265, 72080), (272, 70225), (340, 56180), (400, 47753), (424, 45050), (425, 44944), (530, 36040), (680, 28090), (848, 22525), (850, 22472), (901, 21200), (1060, 18020), (1325, 14416), (1360, 14045), (1700, 11236), (1802, 10600), (2120, 9010), (2650, 7208), (2809, 6800), (3400, 5618), (3604, 5300), (4240, 4505)]