74817820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 96

約数和(自身を含む): 206277120

約数和(自身を除く): 131459300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2557, 2660, 2926, 4180, 5114, 5852, 7315, 10228, 12785, 14630, 17899, 25570, 28127, 29260, 35798, 48583, 51140, 56254, 71596, 89495, 97166, 112508, 140635, 178990, 194332, 196889, 242915, 281270, 340081, 357980, 393778, 485830, 534413, 562540, 680162, 787556, 971660, 984445, 1068826, 1360324, 1700405, 1968890, 2137652, 2672065, 3400810, 3740891, 3937780, 5344130, 6801620, 7481782, 10688260, 14963564, 18704455, 37408910, 74817820]

約数ペア:

[(1, 74817820), (2, 37408910), (4, 18704455), (5, 14963564), (7, 10688260), (10, 7481782), (11, 6801620), (14, 5344130), (19, 3937780), (20, 3740891), (22, 3400810), (28, 2672065), (35, 2137652), (38, 1968890), (44, 1700405), (55, 1360324), (70, 1068826), (76, 984445), (77, 971660), (95, 787556), (110, 680162), (133, 562540), (140, 534413), (154, 485830), (190, 393778), (209, 357980), (220, 340081), (266, 281270), (308, 242915), (380, 196889), (385, 194332), (418, 178990), (532, 140635), (665, 112508), (770, 97166), (836, 89495), (1045, 71596), (1330, 56254), (1463, 51140), (1540, 48583), (2090, 35798), (2557, 29260), (2660, 28127), (2926, 25570), (4180, 17899), (5114, 14630), (5852, 12785), (7315, 10228)]