2028821900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1624

約数の個数: 144

約数和(自身を含む): 5351324160

約数和(自身を除く): 3322502260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 103, 133, 140, 175, 190, 206, 266, 350, 380, 412, 475, 515, 532, 665, 700, 721, 950, 1030, 1330, 1442, 1481, 1900, 1957, 2060, 2575, 2660, 2884, 2962, 3325, 3605, 3914, 5150, 5924, 6650, 7210, 7405, 7828, 9785, 10300, 10367, 13300, 13699, 14420, 14810, 18025, 19570, 20734, 27398, 28139, 29620, 36050, 37025, 39140, 41468, 48925, 51835, 54796, 56278, 68495, 72100, 74050, 97850, 103670, 112556, 136990, 140695, 148100, 152543, 195700, 196973, 207340, 259175, 273980, 281390, 305086, 342475, 393946, 518350, 562780, 610172, 684950, 703475, 762715, 787892, 984865, 1036700, 1067801, 1369900, 1406950, 1525430, 1969730, 2135602, 2813900, 2898317, 3050860, 3813575, 3939460, 4271204, 4924325, 5339005, 5796634, 7627150, 9848650, 10678010, 11593268, 14491585, 15254300, 19697300, 20288219, 21356020, 26695025, 28983170, 40576438, 53390050, 57966340, 72457925, 81152876, 101441095, 106780100, 144915850, 202882190, 289831700, 405764380, 507205475, 1014410950, 2028821900]

約数ペア:

[(1, 2028821900), (2, 1014410950), (4, 507205475), (5, 405764380), (7, 289831700), (10, 202882190), (14, 144915850), (19, 106780100), (20, 101441095), (25, 81152876), (28, 72457925), (35, 57966340), (38, 53390050), (50, 40576438), (70, 28983170), (76, 26695025), (95, 21356020), (100, 20288219), (103, 19697300), (133, 15254300), (140, 14491585), (175, 11593268), (190, 10678010), (206, 9848650), (266, 7627150), (350, 5796634), (380, 5339005), (412, 4924325), (475, 4271204), (515, 3939460), (532, 3813575), (665, 3050860), (700, 2898317), (721, 2813900), (950, 2135602), (1030, 1969730), (1330, 1525430), (1442, 1406950), (1481, 1369900), (1900, 1067801), (1957, 1036700), (2060, 984865), (2575, 787892), (2660, 762715), (2884, 703475), (2962, 684950), (3325, 610172), (3605, 562780), (3914, 518350), (5150, 393946), (5924, 342475), (6650, 305086), (7210, 281390), (7405, 273980), (7828, 259175), (9785, 207340), (10300, 196973), (10367, 195700), (13300, 152543), (13699, 148100), (14420, 140695), (14810, 136990), (18025, 112556), (19570, 103670), (20734, 97850), (27398, 74050), (28139, 72100), (29620, 68495), (36050, 56278), (37025, 54796), (39140, 51835), (41468, 48925)]