66235900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 153740160

約数和(自身を除く): 87504260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 491, 710, 950, 982, 1349, 1420, 1775, 1900, 1964, 2455, 2698, 3550, 4910, 5396, 6745, 7100, 9329, 9820, 12275, 13490, 18658, 24550, 26980, 33725, 34861, 37316, 46645, 49100, 67450, 69722, 93290, 134900, 139444, 174305, 186580, 233225, 348610, 466450, 662359, 697220, 871525, 932900, 1324718, 1743050, 2649436, 3311795, 3486100, 6623590, 13247180, 16558975, 33117950, 66235900]

約数ペア:

[(1, 66235900), (2, 33117950), (4, 16558975), (5, 13247180), (10, 6623590), (19, 3486100), (20, 3311795), (25, 2649436), (38, 1743050), (50, 1324718), (71, 932900), (76, 871525), (95, 697220), (100, 662359), (142, 466450), (190, 348610), (284, 233225), (355, 186580), (380, 174305), (475, 139444), (491, 134900), (710, 93290), (950, 69722), (982, 67450), (1349, 49100), (1420, 46645), (1775, 37316), (1900, 34861), (1964, 33725), (2455, 26980), (2698, 24550), (3550, 18658), (4910, 13490), (5396, 12275), (6745, 9820), (7100, 9329)]