222489400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 611947440

約数和(自身を除く): 389458040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 98, 100, 140, 146, 175, 196, 200, 245, 280, 292, 311, 350, 365, 392, 490, 511, 584, 622, 700, 730, 980, 1022, 1225, 1244, 1400, 1460, 1555, 1825, 1960, 2044, 2177, 2450, 2488, 2555, 2920, 3110, 3577, 3650, 4088, 4354, 4900, 5110, 6220, 7154, 7300, 7775, 8708, 9800, 10220, 10885, 12440, 12775, 14308, 14600, 15239, 15550, 17416, 17885, 20440, 21770, 22703, 25550, 28616, 30478, 31100, 35770, 43540, 45406, 51100, 54425, 60956, 62200, 71540, 76195, 87080, 89425, 90812, 102200, 108850, 113515, 121912, 143080, 152390, 158921, 178850, 181624, 217700, 227030, 304780, 317842, 357700, 380975, 435400, 454060, 567575, 609560, 635684, 715400, 761950, 794605, 908120, 1112447, 1135150, 1271368, 1523900, 1589210, 2224894, 2270300, 3047800, 3178420, 3973025, 4449788, 4540600, 5562235, 6356840, 7946050, 8899576, 11124470, 15892100, 22248940, 27811175, 31784200, 44497880, 55622350, 111244700, 222489400]

約数ペア:

[(1, 222489400), (2, 111244700), (4, 55622350), (5, 44497880), (7, 31784200), (8, 27811175), (10, 22248940), (14, 15892100), (20, 11124470), (25, 8899576), (28, 7946050), (35, 6356840), (40, 5562235), (49, 4540600), (50, 4449788), (56, 3973025), (70, 3178420), (73, 3047800), (98, 2270300), (100, 2224894), (140, 1589210), (146, 1523900), (175, 1271368), (196, 1135150), (200, 1112447), (245, 908120), (280, 794605), (292, 761950), (311, 715400), (350, 635684), (365, 609560), (392, 567575), (490, 454060), (511, 435400), (584, 380975), (622, 357700), (700, 317842), (730, 304780), (980, 227030), (1022, 217700), (1225, 181624), (1244, 178850), (1400, 158921), (1460, 152390), (1555, 143080), (1825, 121912), (1960, 113515), (2044, 108850), (2177, 102200), (2450, 90812), (2488, 89425), (2555, 87080), (2920, 76195), (3110, 71540), (3577, 62200), (3650, 60956), (4088, 54425), (4354, 51100), (4900, 45406), (5110, 43540), (6220, 35770), (7154, 31100), (7300, 30478), (7775, 28616), (8708, 25550), (9800, 22703), (10220, 21770), (10885, 20440), (12440, 17885), (12775, 17416), (14308, 15550), (14600, 15239)]