208879860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:374

約数の個数: 192

約数和(自身を含む): 703954944

約数和(自身を除く): 495075084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 61, 62, 70, 84, 93, 105, 122, 124, 140, 155, 183, 186, 210, 217, 244, 263, 305, 310, 366, 372, 420, 427, 434, 465, 526, 610, 620, 651, 732, 789, 854, 868, 915, 930, 1052, 1085, 1220, 1281, 1302, 1315, 1578, 1708, 1830, 1841, 1860, 1891, 2135, 2170, 2562, 2604, 2630, 3156, 3255, 3660, 3682, 3782, 3945, 4270, 4340, 5124, 5260, 5523, 5673, 6405, 6510, 7364, 7564, 7890, 8153, 8540, 9205, 9455, 11046, 11346, 12810, 13020, 13237, 15780, 16043, 16306, 18410, 18910, 22092, 22692, 24459, 25620, 26474, 27615, 28365, 32086, 32612, 36820, 37820, 39711, 40765, 48129, 48918, 52948, 55230, 56730, 57071, 64172, 66185, 79422, 80215, 81530, 96258, 97836, 110460, 112301, 113460, 114142, 122295, 132370, 158844, 160430, 163060, 171213, 192516, 198555, 224602, 228284, 240645, 244590, 264740, 285355, 320860, 336903, 342426, 397110, 449204, 481290, 489180, 497333, 561505, 570710, 673806, 684852, 794220, 856065, 962580, 994666, 1123010, 1141420, 1347612, 1491999, 1684515, 1712130, 1989332, 2246020, 2486665, 2983998, 3369030, 3424260, 3481331, 4973330, 5967996, 6738060, 6962662, 7459995, 9946660, 10443993, 13925324, 14919990, 17406655, 20887986, 29839980, 34813310, 41775972, 52219965, 69626620, 104439930, 208879860]

約数ペア:

[(1, 208879860), (2, 104439930), (3, 69626620), (4, 52219965), (5, 41775972), (6, 34813310), (7, 29839980), (10, 20887986), (12, 17406655), (14, 14919990), (15, 13925324), (20, 10443993), (21, 9946660), (28, 7459995), (30, 6962662), (31, 6738060), (35, 5967996), (42, 4973330), (60, 3481331), (61, 3424260), (62, 3369030), (70, 2983998), (84, 2486665), (93, 2246020), (105, 1989332), (122, 1712130), (124, 1684515), (140, 1491999), (155, 1347612), (183, 1141420), (186, 1123010), (210, 994666), (217, 962580), (244, 856065), (263, 794220), (305, 684852), (310, 673806), (366, 570710), (372, 561505), (420, 497333), (427, 489180), (434, 481290), (465, 449204), (526, 397110), (610, 342426), (620, 336903), (651, 320860), (732, 285355), (789, 264740), (854, 244590), (868, 240645), (915, 228284), (930, 224602), (1052, 198555), (1085, 192516), (1220, 171213), (1281, 163060), (1302, 160430), (1315, 158844), (1578, 132370), (1708, 122295), (1830, 114142), (1841, 113460), (1860, 112301), (1891, 110460), (2135, 97836), (2170, 96258), (2562, 81530), (2604, 80215), (2630, 79422), (3156, 66185), (3255, 64172), (3660, 57071), (3682, 56730), (3782, 55230), (3945, 52948), (4270, 48918), (4340, 48129), (5124, 40765), (5260, 39711), (5523, 37820), (5673, 36820), (6405, 32612), (6510, 32086), (7364, 28365), (7564, 27615), (7890, 26474), (8153, 25620), (8540, 24459), (9205, 22692), (9455, 22092), (11046, 18910), (11346, 18410), (12810, 16306), (13020, 16043), (13237, 15780)]