72020007100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{38873}}^1$

素因数の和:39175

約数の個数: 72

約数和(自身を含む): 158725340928

約数和(自身を除く): 86705333828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 191, 194, 382, 388, 485, 764, 955, 970, 1910, 1940, 2425, 3820, 4775, 4850, 9550, 9700, 18527, 19100, 37054, 38873, 74108, 77746, 92635, 155492, 185270, 194365, 370540, 388730, 463175, 777460, 926350, 971825, 1852700, 1943650, 3770681, 3887300, 7424743, 7541362, 14849486, 15082724, 18853405, 29698972, 37123715, 37706810, 74247430, 75413620, 94267025, 148494860, 185618575, 188534050, 371237150, 377068100, 720200071, 742474300, 1440400142, 2880800284, 3601000355, 7202000710, 14404001420, 18005001775, 36010003550, 72020007100]

約数ペア:

[(1, 72020007100), (2, 36010003550), (4, 18005001775), (5, 14404001420), (10, 7202000710), (20, 3601000355), (25, 2880800284), (50, 1440400142), (97, 742474300), (100, 720200071), (191, 377068100), (194, 371237150), (382, 188534050), (388, 185618575), (485, 148494860), (764, 94267025), (955, 75413620), (970, 74247430), (1910, 37706810), (1940, 37123715), (2425, 29698972), (3820, 18853405), (4775, 15082724), (4850, 14849486), (9550, 7541362), (9700, 7424743), (18527, 3887300), (19100, 3770681), (37054, 1943650), (38873, 1852700), (74108, 971825), (77746, 926350), (92635, 777460), (155492, 463175), (185270, 388730), (194365, 370540)]