427996420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 1001548800

約数和(自身を除く): 573552380

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 229, 230, 239, 340, 391, 458, 460, 478, 782, 916, 956, 1145, 1195, 1564, 1955, 2290, 2390, 3893, 3910, 4063, 4580, 4780, 5267, 5497, 7786, 7820, 8126, 10534, 10994, 15572, 16252, 19465, 20315, 21068, 21988, 26335, 27485, 38930, 40630, 52670, 54731, 54970, 77860, 81260, 89539, 93449, 105340, 109462, 109940, 179078, 186898, 218924, 273655, 358156, 373796, 447695, 467245, 547310, 895390, 930427, 934490, 1094620, 1258813, 1790780, 1860854, 1868980, 2517626, 3721708, 4652135, 5035252, 6294065, 9304270, 12588130, 18608540, 21399821, 25176260, 42799642, 85599284, 106999105, 213998210, 427996420]

約数ペア:

[(1, 427996420), (2, 213998210), (4, 106999105), (5, 85599284), (10, 42799642), (17, 25176260), (20, 21399821), (23, 18608540), (34, 12588130), (46, 9304270), (68, 6294065), (85, 5035252), (92, 4652135), (115, 3721708), (170, 2517626), (229, 1868980), (230, 1860854), (239, 1790780), (340, 1258813), (391, 1094620), (458, 934490), (460, 930427), (478, 895390), (782, 547310), (916, 467245), (956, 447695), (1145, 373796), (1195, 358156), (1564, 273655), (1955, 218924), (2290, 186898), (2390, 179078), (3893, 109940), (3910, 109462), (4063, 105340), (4580, 93449), (4780, 89539), (5267, 81260), (5497, 77860), (7786, 54970), (7820, 54731), (8126, 52670), (10534, 40630), (10994, 38930), (15572, 27485), (16252, 26335), (19465, 21988), (20315, 21068)]