211671590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 463851360

約数和(自身を除く): 252179770

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 71, 85, 95, 130, 142, 170, 190, 221, 247, 323, 355, 442, 494, 646, 710, 923, 1105, 1207, 1235, 1349, 1615, 1846, 2210, 2414, 2470, 2698, 3230, 4199, 4615, 5041, 6035, 6745, 8398, 9230, 10082, 12070, 13490, 15691, 17537, 20995, 22933, 25205, 31382, 35074, 41990, 45866, 50410, 65533, 78455, 85697, 87685, 95779, 114665, 131066, 156910, 171394, 175370, 191558, 229330, 298129, 327665, 428485, 478895, 596258, 655330, 856970, 957790, 1114061, 1245127, 1490645, 1628243, 2228122, 2490254, 2981290, 3256486, 5570305, 6225635, 8141215, 11140610, 12451270, 16282430, 21167159, 42334318, 105835795, 211671590]

約数ペア:

[(1, 211671590), (2, 105835795), (5, 42334318), (10, 21167159), (13, 16282430), (17, 12451270), (19, 11140610), (26, 8141215), (34, 6225635), (38, 5570305), (65, 3256486), (71, 2981290), (85, 2490254), (95, 2228122), (130, 1628243), (142, 1490645), (170, 1245127), (190, 1114061), (221, 957790), (247, 856970), (323, 655330), (355, 596258), (442, 478895), (494, 428485), (646, 327665), (710, 298129), (923, 229330), (1105, 191558), (1207, 175370), (1235, 171394), (1349, 156910), (1615, 131066), (1846, 114665), (2210, 95779), (2414, 87685), (2470, 85697), (2698, 78455), (3230, 65533), (4199, 50410), (4615, 45866), (5041, 41990), (6035, 35074), (6745, 31382), (8398, 25205), (9230, 22933), (10082, 20995), (12070, 17537), (13490, 15691)]