207676840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 569088000

約数和(自身を除く): 361411160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 103, 133, 140, 152, 190, 206, 266, 280, 379, 380, 412, 515, 532, 665, 721, 758, 760, 824, 1030, 1064, 1330, 1442, 1516, 1895, 1957, 2060, 2653, 2660, 2884, 3032, 3605, 3790, 3914, 4120, 5306, 5320, 5768, 7201, 7210, 7580, 7828, 9785, 10612, 13265, 13699, 14402, 14420, 15160, 15656, 19570, 21224, 26530, 27398, 28804, 28840, 36005, 39037, 39140, 50407, 53060, 54796, 57608, 68495, 72010, 78074, 78280, 100814, 106120, 109592, 136990, 144020, 156148, 195185, 201628, 252035, 273259, 273980, 288040, 312296, 390370, 403256, 504070, 546518, 547960, 741703, 780740, 1008140, 1093036, 1366295, 1483406, 1561480, 2016280, 2186072, 2732590, 2966812, 3708515, 5191921, 5465180, 5933624, 7417030, 10383842, 10930360, 14834060, 20767684, 25959605, 29668120, 41535368, 51919210, 103838420, 207676840]

約数ペア:

[(1, 207676840), (2, 103838420), (4, 51919210), (5, 41535368), (7, 29668120), (8, 25959605), (10, 20767684), (14, 14834060), (19, 10930360), (20, 10383842), (28, 7417030), (35, 5933624), (38, 5465180), (40, 5191921), (56, 3708515), (70, 2966812), (76, 2732590), (95, 2186072), (103, 2016280), (133, 1561480), (140, 1483406), (152, 1366295), (190, 1093036), (206, 1008140), (266, 780740), (280, 741703), (379, 547960), (380, 546518), (412, 504070), (515, 403256), (532, 390370), (665, 312296), (721, 288040), (758, 273980), (760, 273259), (824, 252035), (1030, 201628), (1064, 195185), (1330, 156148), (1442, 144020), (1516, 136990), (1895, 109592), (1957, 106120), (2060, 100814), (2653, 78280), (2660, 78074), (2884, 72010), (3032, 68495), (3605, 57608), (3790, 54796), (3914, 53060), (4120, 50407), (5306, 39140), (5320, 39037), (5768, 36005), (7201, 28840), (7210, 28804), (7580, 27398), (7828, 26530), (9785, 21224), (10612, 19570), (13265, 15656), (13699, 15160), (14402, 14420)]