51095240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 135432000

約数和(自身を除く): 84336760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 199, 245, 262, 280, 392, 398, 490, 524, 655, 796, 917, 980, 995, 1048, 1310, 1393, 1592, 1834, 1960, 1990, 2620, 2786, 3668, 3980, 4585, 5240, 5572, 6419, 6965, 7336, 7960, 9170, 9751, 11144, 12838, 13930, 18340, 19502, 25676, 26069, 27860, 32095, 36680, 39004, 48755, 51352, 52138, 55720, 64190, 78008, 97510, 104276, 128380, 130345, 182483, 195020, 208552, 256760, 260690, 364966, 390040, 521380, 729932, 912415, 1042760, 1277381, 1459864, 1824830, 2554762, 3649660, 5109524, 6386905, 7299320, 10219048, 12773810, 25547620, 51095240]

約数ペア:

[(1, 51095240), (2, 25547620), (4, 12773810), (5, 10219048), (7, 7299320), (8, 6386905), (10, 5109524), (14, 3649660), (20, 2554762), (28, 1824830), (35, 1459864), (40, 1277381), (49, 1042760), (56, 912415), (70, 729932), (98, 521380), (131, 390040), (140, 364966), (196, 260690), (199, 256760), (245, 208552), (262, 195020), (280, 182483), (392, 130345), (398, 128380), (490, 104276), (524, 97510), (655, 78008), (796, 64190), (917, 55720), (980, 52138), (995, 51352), (1048, 48755), (1310, 39004), (1393, 36680), (1592, 32095), (1834, 27860), (1960, 26069), (1990, 25676), (2620, 19502), (2786, 18340), (3668, 13930), (3980, 12838), (4585, 11144), (5240, 9751), (5572, 9170), (6419, 7960), (6965, 7336)]