440235740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1697}}^1$

素因数の和:1839

約数の個数: 96

約数和(自身を含む): 1129645440

約数和(自身を除く): 689409700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 109, 119, 140, 170, 218, 238, 340, 436, 476, 545, 595, 763, 1090, 1190, 1526, 1697, 1853, 2180, 2380, 3052, 3394, 3706, 3815, 6788, 7412, 7630, 8485, 9265, 11879, 12971, 15260, 16970, 18530, 23758, 25942, 28849, 33940, 37060, 47516, 51884, 57698, 59395, 64855, 115396, 118790, 129710, 144245, 184973, 201943, 237580, 259420, 288490, 369946, 403886, 576980, 739892, 807772, 924865, 1009715, 1294811, 1849730, 2019430, 2589622, 3144541, 3699460, 4038860, 5179244, 6289082, 6474055, 12578164, 12948110, 15722705, 22011787, 25896220, 31445410, 44023574, 62890820, 88047148, 110058935, 220117870, 440235740]

約数ペア:

[(1, 440235740), (2, 220117870), (4, 110058935), (5, 88047148), (7, 62890820), (10, 44023574), (14, 31445410), (17, 25896220), (20, 22011787), (28, 15722705), (34, 12948110), (35, 12578164), (68, 6474055), (70, 6289082), (85, 5179244), (109, 4038860), (119, 3699460), (140, 3144541), (170, 2589622), (218, 2019430), (238, 1849730), (340, 1294811), (436, 1009715), (476, 924865), (545, 807772), (595, 739892), (763, 576980), (1090, 403886), (1190, 369946), (1526, 288490), (1697, 259420), (1853, 237580), (2180, 201943), (2380, 184973), (3052, 144245), (3394, 129710), (3706, 118790), (3815, 115396), (6788, 64855), (7412, 59395), (7630, 57698), (8485, 51884), (9265, 47516), (11879, 37060), (12971, 33940), (15260, 28849), (16970, 25942), (18530, 23758)]