207841570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 414720000

約数和(自身を除く): 206878430

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 199, 230, 239, 398, 437, 478, 874, 995, 1195, 1990, 2185, 2390, 3781, 4370, 4541, 4577, 5497, 7562, 9082, 9154, 10994, 18905, 22705, 22885, 27485, 37810, 45410, 45770, 47561, 54970, 86963, 95122, 104443, 173926, 208886, 237805, 434815, 475610, 522215, 869630, 903659, 1044430, 1093903, 1807318, 2187806, 4518295, 5469515, 9036590, 10939030, 20784157, 41568314, 103920785, 207841570]

約数ペア:

[(1, 207841570), (2, 103920785), (5, 41568314), (10, 20784157), (19, 10939030), (23, 9036590), (38, 5469515), (46, 4518295), (95, 2187806), (115, 1807318), (190, 1093903), (199, 1044430), (230, 903659), (239, 869630), (398, 522215), (437, 475610), (478, 434815), (874, 237805), (995, 208886), (1195, 173926), (1990, 104443), (2185, 95122), (2390, 86963), (3781, 54970), (4370, 47561), (4541, 45770), (4577, 45410), (5497, 37810), (7562, 27485), (9082, 22885), (9154, 22705), (10994, 18905)]