402541490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 807117696

約数和(自身を除く): 404576206

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 107, 130, 214, 215, 430, 535, 559, 673, 1070, 1118, 1346, 1391, 2782, 2795, 3365, 4601, 5590, 6730, 6955, 8749, 9202, 13910, 17498, 23005, 28939, 43745, 46010, 57878, 59813, 72011, 87490, 119626, 144022, 144695, 289390, 299065, 360055, 376207, 598130, 720110, 752414, 936143, 1872286, 1881035, 3096473, 3762070, 4680715, 6192946, 9361430, 15482365, 30964730, 40254149, 80508298, 201270745, 402541490]

約数ペア:

[(1, 402541490), (2, 201270745), (5, 80508298), (10, 40254149), (13, 30964730), (26, 15482365), (43, 9361430), (65, 6192946), (86, 4680715), (107, 3762070), (130, 3096473), (214, 1881035), (215, 1872286), (430, 936143), (535, 752414), (559, 720110), (673, 598130), (1070, 376207), (1118, 360055), (1346, 299065), (1391, 289390), (2782, 144695), (2795, 144022), (3365, 119626), (4601, 87490), (5590, 72011), (6730, 59813), (6955, 57878), (8749, 46010), (9202, 43745), (13910, 28939), (17498, 23005)]