12804100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 30623040

約数和(自身を除く): 17818940

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 230, 293, 380, 437, 460, 475, 575, 586, 874, 950, 1150, 1172, 1465, 1748, 1900, 2185, 2300, 2930, 4370, 5567, 5860, 6739, 7325, 8740, 10925, 11134, 13478, 14650, 21850, 22268, 26956, 27835, 29300, 33695, 43700, 55670, 67390, 111340, 128041, 134780, 139175, 168475, 256082, 278350, 336950, 512164, 556700, 640205, 673900, 1280410, 2560820, 3201025, 6402050, 12804100]

約数ペア:

[(1, 12804100), (2, 6402050), (4, 3201025), (5, 2560820), (10, 1280410), (19, 673900), (20, 640205), (23, 556700), (25, 512164), (38, 336950), (46, 278350), (50, 256082), (76, 168475), (92, 139175), (95, 134780), (100, 128041), (115, 111340), (190, 67390), (230, 55670), (293, 43700), (380, 33695), (437, 29300), (460, 27835), (475, 26956), (575, 22268), (586, 21850), (874, 14650), (950, 13478), (1150, 11134), (1172, 10925), (1465, 8740), (1748, 7325), (1900, 6739), (2185, 5860), (2300, 5567), (2930, 4370)]