65965910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 64670890

約数列:

[1, 2, 5, 10, 19, 38, 47, 83, 89, 94, 95, 166, 178, 190, 235, 415, 445, 470, 830, 890, 893, 1577, 1691, 1786, 3154, 3382, 3901, 4183, 4465, 7387, 7802, 7885, 8366, 8455, 8930, 14774, 15770, 16910, 19505, 20915, 36935, 39010, 41830, 73870, 74119, 79477, 140353, 148238, 158954, 280706, 347189, 370595, 397385, 694378, 701765, 741190, 794770, 1403530, 1735945, 3471890, 6596591, 13193182, 32982955, 65965910]

約数ペア:

[(1, 65965910), (2, 32982955), (5, 13193182), (10, 6596591), (19, 3471890), (38, 1735945), (47, 1403530), (83, 794770), (89, 741190), (94, 701765), (95, 694378), (166, 397385), (178, 370595), (190, 347189), (235, 280706), (415, 158954), (445, 148238), (470, 140353), (830, 79477), (890, 74119), (893, 73870), (1577, 41830), (1691, 39010), (1786, 36935), (3154, 20915), (3382, 19505), (3901, 16910), (4183, 15770), (4465, 14774), (7387, 8930), (7802, 8455), (7885, 8366)]