308551445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 122549995

約数列:

[1, 5, 17, 29, 41, 43, 71, 85, 145, 205, 215, 355, 493, 697, 731, 1189, 1207, 1247, 1763, 2059, 2465, 2911, 3053, 3485, 3655, 5945, 6035, 6235, 8815, 10295, 14555, 15265, 20213, 21199, 29971, 35003, 49487, 51127, 51901, 84419, 88537, 101065, 105995, 125173, 149855, 175015, 247435, 255635, 259505, 422095, 442685, 625865, 869159, 1435123, 1505129, 2127941, 3630017, 4345795, 7175615, 7525645, 10639705, 18150085, 61710289, 308551445]

約数ペア:

[(1, 308551445), (5, 61710289), (17, 18150085), (29, 10639705), (41, 7525645), (43, 7175615), (71, 4345795), (85, 3630017), (145, 2127941), (205, 1505129), (215, 1435123), (355, 869159), (493, 625865), (697, 442685), (731, 422095), (1189, 259505), (1207, 255635), (1247, 247435), (1763, 175015), (2059, 149855), (2465, 125173), (2911, 105995), (3053, 101065), (3485, 88537), (3655, 84419), (5945, 51901), (6035, 51127), (6235, 49487), (8815, 35003), (10295, 29971), (14555, 21199), (15265, 20213)]