85298690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 170201088

約数和(自身を除く): 84902398

約数列:

[1, 2, 5, 10, 17, 34, 37, 71, 74, 85, 142, 170, 185, 191, 355, 370, 382, 629, 710, 955, 1207, 1258, 1910, 2414, 2627, 3145, 3247, 5254, 6035, 6290, 6494, 7067, 12070, 13135, 13561, 14134, 16235, 26270, 27122, 32470, 35335, 44659, 67805, 70670, 89318, 120139, 135610, 223295, 230537, 240278, 446590, 461074, 501757, 600695, 1003514, 1152685, 1201390, 2305370, 2508785, 5017570, 8529869, 17059738, 42649345, 85298690]

約数ペア:

[(1, 85298690), (2, 42649345), (5, 17059738), (10, 8529869), (17, 5017570), (34, 2508785), (37, 2305370), (71, 1201390), (74, 1152685), (85, 1003514), (142, 600695), (170, 501757), (185, 461074), (191, 446590), (355, 240278), (370, 230537), (382, 223295), (629, 135610), (710, 120139), (955, 89318), (1207, 70670), (1258, 67805), (1910, 44659), (2414, 35335), (2627, 32470), (3145, 27122), (3247, 26270), (5254, 16235), (6035, 14134), (6290, 13561), (6494, 13135), (7067, 12070)]