80840200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 223596180

約数和(自身を除く): 142755980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 98, 100, 113, 140, 146, 175, 196, 200, 226, 245, 280, 292, 350, 365, 392, 452, 490, 511, 565, 584, 700, 730, 791, 904, 980, 1022, 1130, 1225, 1400, 1460, 1582, 1825, 1960, 2044, 2260, 2450, 2555, 2825, 2920, 3164, 3577, 3650, 3955, 4088, 4520, 4900, 5110, 5537, 5650, 6328, 7154, 7300, 7910, 8249, 9800, 10220, 11074, 11300, 12775, 14308, 14600, 15820, 16498, 17885, 19775, 20440, 22148, 22600, 25550, 27685, 28616, 31640, 32996, 35770, 39550, 41245, 44296, 51100, 55370, 57743, 65992, 71540, 79100, 82490, 89425, 102200, 110740, 115486, 138425, 143080, 158200, 164980, 178850, 206225, 221480, 230972, 276850, 288715, 329960, 357700, 404201, 412450, 461944, 553700, 577430, 715400, 808402, 824900, 1107400, 1154860, 1443575, 1616804, 1649800, 2021005, 2309720, 2887150, 3233608, 4042010, 5774300, 8084020, 10105025, 11548600, 16168040, 20210050, 40420100, 80840200]

約数ペア:

[(1, 80840200), (2, 40420100), (4, 20210050), (5, 16168040), (7, 11548600), (8, 10105025), (10, 8084020), (14, 5774300), (20, 4042010), (25, 3233608), (28, 2887150), (35, 2309720), (40, 2021005), (49, 1649800), (50, 1616804), (56, 1443575), (70, 1154860), (73, 1107400), (98, 824900), (100, 808402), (113, 715400), (140, 577430), (146, 553700), (175, 461944), (196, 412450), (200, 404201), (226, 357700), (245, 329960), (280, 288715), (292, 276850), (350, 230972), (365, 221480), (392, 206225), (452, 178850), (490, 164980), (511, 158200), (565, 143080), (584, 138425), (700, 115486), (730, 110740), (791, 102200), (904, 89425), (980, 82490), (1022, 79100), (1130, 71540), (1225, 65992), (1400, 57743), (1460, 55370), (1582, 51100), (1825, 44296), (1960, 41245), (2044, 39550), (2260, 35770), (2450, 32996), (2555, 31640), (2825, 28616), (2920, 27685), (3164, 25550), (3577, 22600), (3650, 22148), (3955, 20440), (4088, 19775), (4520, 17885), (4900, 16498), (5110, 15820), (5537, 14600), (5650, 14308), (6328, 12775), (7154, 11300), (7300, 11074), (7910, 10220), (8249, 9800)]