263434210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 544320000

約数和(自身を除く): 280885790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 199, 221, 398, 442, 599, 995, 1105, 1198, 1990, 2210, 2587, 2995, 3383, 5174, 5990, 6766, 7787, 10183, 12935, 15574, 16915, 20366, 25870, 33830, 38935, 43979, 50915, 77870, 87958, 101830, 119201, 132379, 219895, 238402, 264758, 439790, 596005, 661895, 1192010, 1323790, 1549613, 2026417, 3099226, 4052834, 7748065, 10132085, 15496130, 20264170, 26343421, 52686842, 131717105, 263434210]

約数ペア:

[(1, 263434210), (2, 131717105), (5, 52686842), (10, 26343421), (13, 20264170), (17, 15496130), (26, 10132085), (34, 7748065), (65, 4052834), (85, 3099226), (130, 2026417), (170, 1549613), (199, 1323790), (221, 1192010), (398, 661895), (442, 596005), (599, 439790), (995, 264758), (1105, 238402), (1198, 219895), (1990, 132379), (2210, 119201), (2587, 101830), (2995, 87958), (3383, 77870), (5174, 50915), (5990, 43979), (6766, 38935), (7787, 33830), (10183, 25870), (12935, 20366), (15574, 16915)]