17388620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 39009600

約数和(自身を除く): 21620980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 257, 340, 398, 514, 796, 995, 1028, 1285, 1990, 2570, 3383, 3980, 4369, 5140, 6766, 8738, 13532, 16915, 17476, 21845, 33830, 43690, 51143, 67660, 87380, 102286, 204572, 255715, 511430, 869431, 1022860, 1738862, 3477724, 4347155, 8694310, 17388620]

約数ペア:

[(1, 17388620), (2, 8694310), (4, 4347155), (5, 3477724), (10, 1738862), (17, 1022860), (20, 869431), (34, 511430), (68, 255715), (85, 204572), (170, 102286), (199, 87380), (257, 67660), (340, 51143), (398, 43690), (514, 33830), (796, 21845), (995, 17476), (1028, 16915), (1285, 13532), (1990, 8738), (2570, 6766), (3383, 5140), (3980, 4369)]