49987980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 175506240

約数和(自身を除く): 125518260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 409, 420, 485, 582, 630, 679, 818, 873, 970, 1164, 1227, 1260, 1358, 1455, 1636, 1746, 1940, 2037, 2045, 2454, 2716, 2863, 2910, 3395, 3492, 3681, 4074, 4090, 4365, 4908, 5726, 5820, 6111, 6135, 6790, 7362, 8148, 8180, 8589, 8730, 10185, 11452, 12222, 12270, 13580, 14315, 14724, 17178, 17460, 18405, 20370, 24444, 24540, 25767, 28630, 30555, 34356, 36810, 39673, 40740, 42945, 51534, 57260, 61110, 73620, 79346, 85890, 103068, 119019, 122220, 128835, 158692, 171780, 198365, 238038, 257670, 277711, 357057, 396730, 476076, 515340, 555422, 595095, 714114, 793460, 833133, 1110844, 1190190, 1388555, 1428228, 1666266, 1785285, 2380380, 2499399, 2777110, 3332532, 3570570, 4165665, 4998798, 5554220, 7141140, 8331330, 9997596, 12496995, 16662660, 24993990, 49987980]

約数ペア:

[(1, 49987980), (2, 24993990), (3, 16662660), (4, 12496995), (5, 9997596), (6, 8331330), (7, 7141140), (9, 5554220), (10, 4998798), (12, 4165665), (14, 3570570), (15, 3332532), (18, 2777110), (20, 2499399), (21, 2380380), (28, 1785285), (30, 1666266), (35, 1428228), (36, 1388555), (42, 1190190), (45, 1110844), (60, 833133), (63, 793460), (70, 714114), (84, 595095), (90, 555422), (97, 515340), (105, 476076), (126, 396730), (140, 357057), (180, 277711), (194, 257670), (210, 238038), (252, 198365), (291, 171780), (315, 158692), (388, 128835), (409, 122220), (420, 119019), (485, 103068), (582, 85890), (630, 79346), (679, 73620), (818, 61110), (873, 57260), (970, 51534), (1164, 42945), (1227, 40740), (1260, 39673), (1358, 36810), (1455, 34356), (1636, 30555), (1746, 28630), (1940, 25767), (2037, 24540), (2045, 24444), (2454, 20370), (2716, 18405), (2863, 17460), (2910, 17178), (3395, 14724), (3492, 14315), (3681, 13580), (4074, 12270), (4090, 12222), (4365, 11452), (4908, 10185), (5726, 8730), (5820, 8589), (6111, 8180), (6135, 8148), (6790, 7362)]