198463860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5081}}^1$

素因数の和:5134

約数の個数: 144

約数和(自身を含む): 710341632

約数和(自身を除く): 511877772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5081, 5580, 6510, 7812, 9765, 10162, 13020, 15243, 19530, 20324, 25405, 30486, 35567, 39060, 45729, 50810, 60972, 71134, 76215, 91458, 101620, 106701, 142268, 152430, 157511, 177835, 182916, 213402, 228645, 304860, 315022, 320103, 355670, 426804, 457290, 472533, 533505, 630044, 640206, 711340, 787555, 914580, 945066, 1067010, 1102577, 1280412, 1417599, 1575110, 1600515, 1890132, 2134020, 2205154, 2362665, 2835198, 3150220, 3201030, 3307731, 4410308, 4725330, 5512885, 5670396, 6402060, 6615462, 7087995, 9450660, 9923193, 11025770, 13230924, 14175990, 16538655, 19846386, 22051540, 28351980, 33077310, 39692772, 49615965, 66154620, 99231930, 198463860]

約数ペア:

[(1, 198463860), (2, 99231930), (3, 66154620), (4, 49615965), (5, 39692772), (6, 33077310), (7, 28351980), (9, 22051540), (10, 19846386), (12, 16538655), (14, 14175990), (15, 13230924), (18, 11025770), (20, 9923193), (21, 9450660), (28, 7087995), (30, 6615462), (31, 6402060), (35, 5670396), (36, 5512885), (42, 4725330), (45, 4410308), (60, 3307731), (62, 3201030), (63, 3150220), (70, 2835198), (84, 2362665), (90, 2205154), (93, 2134020), (105, 1890132), (124, 1600515), (126, 1575110), (140, 1417599), (155, 1280412), (180, 1102577), (186, 1067010), (210, 945066), (217, 914580), (252, 787555), (279, 711340), (310, 640206), (315, 630044), (372, 533505), (420, 472533), (434, 457290), (465, 426804), (558, 355670), (620, 320103), (630, 315022), (651, 304860), (868, 228645), (930, 213402), (1085, 182916), (1116, 177835), (1260, 157511), (1302, 152430), (1395, 142268), (1860, 106701), (1953, 101620), (2170, 91458), (2604, 76215), (2790, 71134), (3255, 60972), (3906, 50810), (4340, 45729), (5081, 39060), (5580, 35567), (6510, 30486), (7812, 25405), (9765, 20324), (10162, 19530), (13020, 15243)]