886990000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{6823}}^1$

素因数の和:6864

約数の個数: 100

約数和(自身を含む): 2313022096

約数和(自身を除く): 1426032096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 625, 650, 1000, 1040, 1250, 1300, 1625, 2000, 2500, 2600, 3250, 5000, 5200, 6500, 6823, 8125, 10000, 13000, 13646, 16250, 26000, 27292, 32500, 34115, 54584, 65000, 68230, 88699, 109168, 130000, 136460, 170575, 177398, 272920, 341150, 354796, 443495, 545840, 682300, 709592, 852875, 886990, 1364600, 1419184, 1705750, 1773980, 2217475, 2729200, 3411500, 3547960, 4264375, 4434950, 6823000, 7095920, 8528750, 8869900, 11087375, 13646000, 17057500, 17739800, 22174750, 34115000, 35479600, 44349500, 55436875, 68230000, 88699000, 110873750, 177398000, 221747500, 443495000, 886990000]

約数ペア:

[(1, 886990000), (2, 443495000), (4, 221747500), (5, 177398000), (8, 110873750), (10, 88699000), (13, 68230000), (16, 55436875), (20, 44349500), (25, 35479600), (26, 34115000), (40, 22174750), (50, 17739800), (52, 17057500), (65, 13646000), (80, 11087375), (100, 8869900), (104, 8528750), (125, 7095920), (130, 6823000), (200, 4434950), (208, 4264375), (250, 3547960), (260, 3411500), (325, 2729200), (400, 2217475), (500, 1773980), (520, 1705750), (625, 1419184), (650, 1364600), (1000, 886990), (1040, 852875), (1250, 709592), (1300, 682300), (1625, 545840), (2000, 443495), (2500, 354796), (2600, 341150), (3250, 272920), (5000, 177398), (5200, 170575), (6500, 136460), (6823, 130000), (8125, 109168), (10000, 88699), (13000, 68230), (13646, 65000), (16250, 54584), (26000, 34115), (27292, 32500)]