889090300

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{23}}^2$

素因数の和:95

約数の個数: 162

約数和(自身を含む): 2352979608

約数和(自身を除く): 1463889308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 230, 245, 322, 343, 350, 460, 490, 529, 575, 644, 686, 700, 805, 980, 1058, 1127, 1150, 1225, 1372, 1610, 1715, 2116, 2254, 2300, 2401, 2450, 2645, 3220, 3430, 3703, 4025, 4508, 4802, 4900, 5290, 5635, 6860, 7406, 7889, 8050, 8575, 9604, 10580, 11270, 12005, 13225, 14812, 15778, 16100, 16807, 17150, 18515, 22540, 24010, 25921, 26450, 28175, 31556, 33614, 34300, 37030, 39445, 48020, 51842, 52900, 55223, 56350, 60025, 67228, 74060, 78890, 84035, 92575, 103684, 110446, 112700, 120050, 129605, 157780, 168070, 181447, 185150, 197225, 220892, 240100, 259210, 276115, 336140, 362894, 370300, 386561, 394450, 420175, 518420, 552230, 648025, 725788, 773122, 788900, 840350, 907235, 1104460, 1270129, 1296050, 1380575, 1546244, 1680700, 1814470, 1932805, 2540258, 2592100, 2761150, 3628940, 3865610, 4536175, 5080516, 5522300, 6350645, 7731220, 8890903, 9072350, 9664025, 12701290, 17781806, 18144700, 19328050, 25402580, 31753225, 35563612, 38656100, 44454515, 63506450, 88909030, 127012900, 177818060, 222272575, 444545150, 889090300]

約数ペア:

[(1, 889090300), (2, 444545150), (4, 222272575), (5, 177818060), (7, 127012900), (10, 88909030), (14, 63506450), (20, 44454515), (23, 38656100), (25, 35563612), (28, 31753225), (35, 25402580), (46, 19328050), (49, 18144700), (50, 17781806), (70, 12701290), (92, 9664025), (98, 9072350), (100, 8890903), (115, 7731220), (140, 6350645), (161, 5522300), (175, 5080516), (196, 4536175), (230, 3865610), (245, 3628940), (322, 2761150), (343, 2592100), (350, 2540258), (460, 1932805), (490, 1814470), (529, 1680700), (575, 1546244), (644, 1380575), (686, 1296050), (700, 1270129), (805, 1104460), (980, 907235), (1058, 840350), (1127, 788900), (1150, 773122), (1225, 725788), (1372, 648025), (1610, 552230), (1715, 518420), (2116, 420175), (2254, 394450), (2300, 386561), (2401, 370300), (2450, 362894), (2645, 336140), (3220, 276115), (3430, 259210), (3703, 240100), (4025, 220892), (4508, 197225), (4802, 185150), (4900, 181447), (5290, 168070), (5635, 157780), (6860, 129605), (7406, 120050), (7889, 112700), (8050, 110446), (8575, 103684), (9604, 92575), (10580, 84035), (11270, 78890), (12005, 74060), (13225, 67228), (14812, 60025), (15778, 56350), (16100, 55223), (16807, 52900), (17150, 51842), (18515, 48020), (22540, 39445), (24010, 37030), (25921, 34300), (26450, 33614), (28175, 31556)]