42844240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 106600320

約数和(自身を除く): 63756080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 397, 568, 710, 760, 794, 1136, 1349, 1420, 1520, 1588, 1985, 2698, 2840, 3176, 3970, 5396, 5680, 6352, 6745, 7543, 7940, 10792, 13490, 15086, 15880, 21584, 26980, 28187, 30172, 31760, 37715, 53960, 56374, 60344, 75430, 107920, 112748, 120688, 140935, 150860, 225496, 281870, 301720, 450992, 535553, 563740, 603440, 1071106, 1127480, 2142212, 2254960, 2677765, 4284424, 5355530, 8568848, 10711060, 21422120, 42844240]

約数ペア:

[(1, 42844240), (2, 21422120), (4, 10711060), (5, 8568848), (8, 5355530), (10, 4284424), (16, 2677765), (19, 2254960), (20, 2142212), (38, 1127480), (40, 1071106), (71, 603440), (76, 563740), (80, 535553), (95, 450992), (142, 301720), (152, 281870), (190, 225496), (284, 150860), (304, 140935), (355, 120688), (380, 112748), (397, 107920), (568, 75430), (710, 60344), (760, 56374), (794, 53960), (1136, 37715), (1349, 31760), (1420, 30172), (1520, 28187), (1588, 26980), (1985, 21584), (2698, 15880), (2840, 15086), (3176, 13490), (3970, 10792), (5396, 7940), (5680, 7543), (6352, 6745)]