199917620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4473

約数の個数: 96

約数和(自身を含む): 534885120

約数和(自身を除く): 334967500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4421, 4522, 6460, 8842, 9044, 11305, 17684, 22105, 22610, 30947, 44210, 45220, 61894, 75157, 83999, 88420, 123788, 150314, 154735, 167998, 300628, 309470, 335996, 375785, 419995, 526099, 587993, 618940, 751570, 839990, 1052198, 1175986, 1427983, 1503140, 1679980, 2104396, 2351972, 2630495, 2855966, 2939965, 5260990, 5711932, 5879930, 7139915, 9995881, 10521980, 11759860, 14279830, 19991762, 28559660, 39983524, 49979405, 99958810, 199917620]

約数ペア:

[(1, 199917620), (2, 99958810), (4, 49979405), (5, 39983524), (7, 28559660), (10, 19991762), (14, 14279830), (17, 11759860), (19, 10521980), (20, 9995881), (28, 7139915), (34, 5879930), (35, 5711932), (38, 5260990), (68, 2939965), (70, 2855966), (76, 2630495), (85, 2351972), (95, 2104396), (119, 1679980), (133, 1503140), (140, 1427983), (170, 1175986), (190, 1052198), (238, 839990), (266, 751570), (323, 618940), (340, 587993), (380, 526099), (476, 419995), (532, 375785), (595, 335996), (646, 309470), (665, 300628), (1190, 167998), (1292, 154735), (1330, 150314), (1615, 123788), (2261, 88420), (2380, 83999), (2660, 75157), (3230, 61894), (4421, 45220), (4522, 44210), (6460, 30947), (8842, 22610), (9044, 22105), (11305, 17684)]