68970190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 140279040

約数和(自身を除く): 71308850

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 131, 163, 170, 190, 262, 323, 326, 646, 655, 815, 1310, 1615, 1630, 2227, 2489, 2771, 3097, 3230, 4454, 4978, 5542, 6194, 11135, 12445, 13855, 15485, 21353, 22270, 24890, 27710, 30970, 42313, 42706, 52649, 84626, 105298, 106765, 211565, 213530, 263245, 363001, 405707, 423130, 526490, 726002, 811414, 1815005, 2028535, 3630010, 4057070, 6897019, 13794038, 34485095, 68970190]

約数ペア:

[(1, 68970190), (2, 34485095), (5, 13794038), (10, 6897019), (17, 4057070), (19, 3630010), (34, 2028535), (38, 1815005), (85, 811414), (95, 726002), (131, 526490), (163, 423130), (170, 405707), (190, 363001), (262, 263245), (323, 213530), (326, 211565), (646, 106765), (655, 105298), (815, 84626), (1310, 52649), (1615, 42706), (1630, 42313), (2227, 30970), (2489, 27710), (2771, 24890), (3097, 22270), (3230, 21353), (4454, 15485), (4978, 13855), (5542, 12445), (6194, 11135)]