198486540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8291}}^1$

素因数の和:8332

約数の個数: 144

約数和(自身を含む): 724389120

約数和(自身を除く): 525902580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8291, 11970, 16582, 23940, 24873, 33164, 41455, 49746, 58037, 74619, 82910, 99492, 116074, 124365, 149238, 157529, 165820, 174111, 232148, 248730, 290185, 298476, 315058, 348222, 373095, 472587, 497460, 522333, 580370, 630116, 696444, 746190, 787645, 870555, 945174, 1044666, 1102703, 1160740, 1417761, 1492380, 1575290, 1741110, 1890348, 2089332, 2205406, 2362935, 2611665, 2835522, 3150580, 3308109, 3482220, 4410812, 4725870, 5223330, 5513515, 5671044, 6616218, 7088805, 9451740, 9924327, 10446660, 11027030, 13232436, 14177610, 16540545, 19848654, 22054060, 28355220, 33081090, 39697308, 49621635, 66162180, 99243270, 198486540]

約数ペア:

[(1, 198486540), (2, 99243270), (3, 66162180), (4, 49621635), (5, 39697308), (6, 33081090), (7, 28355220), (9, 22054060), (10, 19848654), (12, 16540545), (14, 14177610), (15, 13232436), (18, 11027030), (19, 10446660), (20, 9924327), (21, 9451740), (28, 7088805), (30, 6616218), (35, 5671044), (36, 5513515), (38, 5223330), (42, 4725870), (45, 4410812), (57, 3482220), (60, 3308109), (63, 3150580), (70, 2835522), (76, 2611665), (84, 2362935), (90, 2205406), (95, 2089332), (105, 1890348), (114, 1741110), (126, 1575290), (133, 1492380), (140, 1417761), (171, 1160740), (180, 1102703), (190, 1044666), (210, 945174), (228, 870555), (252, 787645), (266, 746190), (285, 696444), (315, 630116), (342, 580370), (380, 522333), (399, 497460), (420, 472587), (532, 373095), (570, 348222), (630, 315058), (665, 298476), (684, 290185), (798, 248730), (855, 232148), (1140, 174111), (1197, 165820), (1260, 157529), (1330, 149238), (1596, 124365), (1710, 116074), (1995, 99492), (2394, 82910), (2660, 74619), (3420, 58037), (3990, 49746), (4788, 41455), (5985, 33164), (7980, 24873), (8291, 23940), (11970, 16582)]