2021609975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1861

約数の個数: 96

約数和(自身を含む): 3397877760

約数和(自身を除く): 1376267785

約数列:

[1, 5, 7, 11, 19, 25, 31, 35, 55, 77, 95, 133, 155, 175, 209, 217, 275, 341, 385, 475, 589, 665, 775, 1045, 1085, 1463, 1705, 1783, 1925, 2387, 2945, 3325, 4123, 5225, 5425, 6479, 7315, 8525, 8915, 11935, 12481, 14725, 19613, 20615, 32395, 33877, 36575, 44575, 45353, 55273, 59675, 62405, 98065, 103075, 137291, 161975, 169385, 226765, 237139, 276365, 312025, 372647, 386911, 490325, 608003, 686455, 846925, 1050187, 1133825, 1185695, 1381825, 1863235, 1934555, 2608529, 3040015, 3432275, 4256021, 5250935, 5928475, 7351309, 9316175, 9672775, 11552057, 13042645, 15200075, 21280105, 26254675, 36756545, 57760285, 65213225, 80864399, 106400525, 183782725, 288801425, 404321995, 2021609975]

約数ペア:

[(1, 2021609975), (5, 404321995), (7, 288801425), (11, 183782725), (19, 106400525), (25, 80864399), (31, 65213225), (35, 57760285), (55, 36756545), (77, 26254675), (95, 21280105), (133, 15200075), (155, 13042645), (175, 11552057), (209, 9672775), (217, 9316175), (275, 7351309), (341, 5928475), (385, 5250935), (475, 4256021), (589, 3432275), (665, 3040015), (775, 2608529), (1045, 1934555), (1085, 1863235), (1463, 1381825), (1705, 1185695), (1783, 1133825), (1925, 1050187), (2387, 846925), (2945, 686455), (3325, 608003), (4123, 490325), (5225, 386911), (5425, 372647), (6479, 312025), (7315, 276365), (8525, 237139), (8915, 226765), (11935, 169385), (12481, 161975), (14725, 137291), (19613, 103075), (20615, 98065), (32395, 62405), (33877, 59675), (36575, 55273), (44575, 45353)]