201015620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 472681440

約数和(自身を除く): 271665820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 109, 130, 164, 173, 205, 218, 260, 346, 410, 436, 533, 545, 692, 820, 865, 1066, 1090, 1417, 1730, 2132, 2180, 2249, 2665, 2834, 3460, 4469, 4498, 5330, 5668, 7085, 7093, 8938, 8996, 10660, 11245, 14170, 14186, 17876, 18857, 22345, 22490, 28340, 28372, 35465, 37714, 44690, 44980, 58097, 70930, 75428, 89380, 92209, 94285, 116194, 141860, 184418, 188570, 232388, 245141, 290485, 368836, 377140, 461045, 490282, 580970, 773137, 922090, 980564, 1161940, 1225705, 1546274, 1844180, 2451410, 3092548, 3865685, 4902820, 7731370, 10050781, 15462740, 20101562, 40203124, 50253905, 100507810, 201015620]

約数ペア:

[(1, 201015620), (2, 100507810), (4, 50253905), (5, 40203124), (10, 20101562), (13, 15462740), (20, 10050781), (26, 7731370), (41, 4902820), (52, 3865685), (65, 3092548), (82, 2451410), (109, 1844180), (130, 1546274), (164, 1225705), (173, 1161940), (205, 980564), (218, 922090), (260, 773137), (346, 580970), (410, 490282), (436, 461045), (533, 377140), (545, 368836), (692, 290485), (820, 245141), (865, 232388), (1066, 188570), (1090, 184418), (1417, 141860), (1730, 116194), (2132, 94285), (2180, 92209), (2249, 89380), (2665, 75428), (2834, 70930), (3460, 58097), (4469, 44980), (4498, 44690), (5330, 37714), (5668, 35465), (7085, 28372), (7093, 28340), (8938, 22490), (8996, 22345), (10660, 18857), (11245, 17876), (14170, 14186)]