1780872400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2593}}^1$

素因数の和:2729

約数の個数: 120

約数和(自身を含む): 4576843224

約数和(自身を除く): 2795970824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 101, 136, 170, 200, 202, 272, 340, 400, 404, 425, 505, 680, 808, 850, 1010, 1360, 1616, 1700, 1717, 2020, 2525, 2593, 3400, 3434, 4040, 5050, 5186, 6800, 6868, 8080, 8585, 10100, 10372, 12965, 13736, 17170, 20200, 20744, 25930, 27472, 34340, 40400, 41488, 42925, 44081, 51860, 64825, 68680, 85850, 88162, 103720, 129650, 137360, 171700, 176324, 207440, 220405, 259300, 261893, 343400, 352648, 440810, 518600, 523786, 686800, 705296, 881620, 1037200, 1047572, 1102025, 1309465, 1763240, 2095144, 2204050, 2618930, 3526480, 4190288, 4408100, 4452181, 5237860, 6547325, 8816200, 8904362, 10475720, 13094650, 17632400, 17808724, 20951440, 22260905, 26189300, 35617448, 44521810, 52378600, 71234896, 89043620, 104757200, 111304525, 178087240, 222609050, 356174480, 445218100, 890436200, 1780872400]

約数ペア:

[(1, 1780872400), (2, 890436200), (4, 445218100), (5, 356174480), (8, 222609050), (10, 178087240), (16, 111304525), (17, 104757200), (20, 89043620), (25, 71234896), (34, 52378600), (40, 44521810), (50, 35617448), (68, 26189300), (80, 22260905), (85, 20951440), (100, 17808724), (101, 17632400), (136, 13094650), (170, 10475720), (200, 8904362), (202, 8816200), (272, 6547325), (340, 5237860), (400, 4452181), (404, 4408100), (425, 4190288), (505, 3526480), (680, 2618930), (808, 2204050), (850, 2095144), (1010, 1763240), (1360, 1309465), (1616, 1102025), (1700, 1047572), (1717, 1037200), (2020, 881620), (2525, 705296), (2593, 686800), (3400, 523786), (3434, 518600), (4040, 440810), (5050, 352648), (5186, 343400), (6800, 261893), (6868, 259300), (8080, 220405), (8585, 207440), (10100, 176324), (10372, 171700), (12965, 137360), (13736, 129650), (17170, 103720), (20200, 88162), (20744, 85850), (25930, 68680), (27472, 64825), (34340, 51860), (40400, 44081), (41488, 42925)]