201249320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^3\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 470489040

約数和(自身を除く): 269239720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 584, 730, 820, 1460, 1640, 1681, 2920, 2993, 3362, 5986, 6724, 8405, 11972, 13448, 14965, 16810, 23944, 29930, 33620, 59860, 67240, 68921, 119720, 122713, 137842, 245426, 275684, 344605, 490852, 551368, 613565, 689210, 981704, 1227130, 1378420, 2454260, 2756840, 4908520, 5031233, 10062466, 20124932, 25156165, 40249864, 50312330, 100624660, 201249320]

約数ペア:

[(1, 201249320), (2, 100624660), (4, 50312330), (5, 40249864), (8, 25156165), (10, 20124932), (20, 10062466), (40, 5031233), (41, 4908520), (73, 2756840), (82, 2454260), (146, 1378420), (164, 1227130), (205, 981704), (292, 689210), (328, 613565), (365, 551368), (410, 490852), (584, 344605), (730, 275684), (820, 245426), (1460, 137842), (1640, 122713), (1681, 119720), (2920, 68921), (2993, 67240), (3362, 59860), (5986, 33620), (6724, 29930), (8405, 23944), (11972, 16810), (13448, 14965)]