814788246100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{496913}}^1$

素因数の和:497809

約数の個数: 72

約数和(自身を含む): 1863308240640

約数和(自身を除く): 1048519994540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 863, 950, 1726, 1900, 3452, 4315, 8630, 16397, 17260, 21575, 32794, 43150, 65588, 81985, 86300, 163970, 327940, 409925, 496913, 819850, 993826, 1639700, 1987652, 2484565, 4969130, 9441347, 9938260, 12422825, 18882694, 24845650, 37765388, 47206735, 49691300, 94413470, 188826940, 236033675, 428835919, 472067350, 857671838, 944134700, 1715343676, 2144179595, 4288359190, 8147882461, 8576718380, 10720897975, 16295764922, 21441795950, 32591529844, 40739412305, 42883591900, 81478824610, 162957649220, 203697061525, 407394123050, 814788246100]

約数ペア:

[(1, 814788246100), (2, 407394123050), (4, 203697061525), (5, 162957649220), (10, 81478824610), (19, 42883591900), (20, 40739412305), (25, 32591529844), (38, 21441795950), (50, 16295764922), (76, 10720897975), (95, 8576718380), (100, 8147882461), (190, 4288359190), (380, 2144179595), (475, 1715343676), (863, 944134700), (950, 857671838), (1726, 472067350), (1900, 428835919), (3452, 236033675), (4315, 188826940), (8630, 94413470), (16397, 49691300), (17260, 47206735), (21575, 37765388), (32794, 24845650), (43150, 18882694), (65588, 12422825), (81985, 9938260), (86300, 9441347), (163970, 4969130), (327940, 2484565), (409925, 1987652), (496913, 1639700), (819850, 993826)]