1900393775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 2971238400

約数和(自身を除く): 1070844625

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 103, 133, 155, 175, 179, 217, 475, 515, 589, 665, 721, 775, 895, 1085, 1253, 1957, 2575, 2945, 3193, 3325, 3401, 3605, 4123, 4475, 5425, 5549, 6265, 9785, 13699, 14725, 15965, 17005, 18025, 18437, 20615, 22351, 23807, 27745, 31325, 38843, 48925, 60667, 68495, 79825, 85025, 92185, 103075, 105431, 111755, 119035, 129059, 138725, 194215, 303335, 342475, 350303, 424669, 460925, 527155, 558775, 571547, 595175, 645295, 738017, 971075, 1516675, 1751515, 2123345, 2452121, 2635775, 2857735, 3226475, 3690085, 4000829, 8757575, 10616725, 10859393, 12260605, 14288675, 18450425, 20004145, 54296965, 61303025, 76015751, 100020725, 271484825, 380078755, 1900393775]

約数ペア:

[(1, 1900393775), (5, 380078755), (7, 271484825), (19, 100020725), (25, 76015751), (31, 61303025), (35, 54296965), (95, 20004145), (103, 18450425), (133, 14288675), (155, 12260605), (175, 10859393), (179, 10616725), (217, 8757575), (475, 4000829), (515, 3690085), (589, 3226475), (665, 2857735), (721, 2635775), (775, 2452121), (895, 2123345), (1085, 1751515), (1253, 1516675), (1957, 971075), (2575, 738017), (2945, 645295), (3193, 595175), (3325, 571547), (3401, 558775), (3605, 527155), (4123, 460925), (4475, 424669), (5425, 350303), (5549, 342475), (6265, 303335), (9785, 194215), (13699, 138725), (14725, 129059), (15965, 119035), (17005, 111755), (18025, 105431), (18437, 103075), (20615, 92185), (22351, 85025), (23807, 79825), (27745, 68495), (31325, 60667), (38843, 48925)]