257364020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{32911}}^1$

素因数の和:32960

約数の個数: 48

約数和(自身を含む): 597155328

約数和(自身を除く): 339791308

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 32911, 65822, 131644, 164555, 329110, 559487, 658220, 756953, 1118974, 1513906, 2237948, 2797435, 3027812, 3784765, 5594870, 7569530, 11189740, 12868201, 15139060, 25736402, 51472804, 64341005, 128682010, 257364020]

約数ペア:

[(1, 257364020), (2, 128682010), (4, 64341005), (5, 51472804), (10, 25736402), (17, 15139060), (20, 12868201), (23, 11189740), (34, 7569530), (46, 5594870), (68, 3784765), (85, 3027812), (92, 2797435), (115, 2237948), (170, 1513906), (230, 1118974), (340, 756953), (391, 658220), (460, 559487), (782, 329110), (1564, 164555), (1955, 131644), (3910, 65822), (7820, 32911)]