20768699000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9935

約数の個数: 192

約数和(自身を含む): 57853841760

約数和(自身を除く): 37085142760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 49, 50, 56, 70, 86, 98, 100, 125, 140, 172, 175, 196, 200, 215, 245, 250, 280, 301, 344, 350, 392, 430, 490, 500, 602, 700, 860, 875, 980, 1000, 1075, 1204, 1225, 1400, 1505, 1720, 1750, 1960, 2107, 2150, 2408, 2450, 3010, 3500, 4214, 4300, 4900, 5375, 6020, 6125, 7000, 7525, 8428, 8600, 9800, 9857, 10535, 10750, 12040, 12250, 15050, 16856, 19714, 21070, 21500, 24500, 30100, 37625, 39428, 42140, 43000, 49000, 49285, 52675, 60200, 68999, 75250, 78856, 84280, 98570, 105350, 137998, 150500, 197140, 210700, 246425, 263375, 275996, 301000, 344995, 394280, 421400, 423851, 482993, 492850, 526750, 551992, 689990, 847702, 965986, 985700, 1053500, 1232125, 1379980, 1695404, 1724975, 1931972, 1971400, 2107000, 2119255, 2414965, 2464250, 2759960, 2966957, 3390808, 3449950, 3863944, 4238510, 4829930, 4928500, 5933914, 6899900, 8477020, 8624875, 9659860, 9857000, 10596275, 11867828, 12074825, 13799800, 14834785, 16954040, 17249750, 19319720, 20768699, 21192550, 23735656, 24149650, 29669570, 34499500, 41537398, 42385100, 48299300, 52981375, 59339140, 60374125, 68999000, 74173925, 83074796, 84770200, 96598600, 103843495, 105962750, 118678280, 120748250, 148347850, 166149592, 207686990, 211925500, 241496500, 296695700, 370869625, 415373980, 423851000, 482993000, 519217475, 593391400, 741739250, 830747960, 1038434950, 1483478500, 2076869900, 2596087375, 2966957000, 4153739800, 5192174750, 10384349500, 20768699000]

約数ペア:

[(1, 20768699000), (2, 10384349500), (4, 5192174750), (5, 4153739800), (7, 2966957000), (8, 2596087375), (10, 2076869900), (14, 1483478500), (20, 1038434950), (25, 830747960), (28, 741739250), (35, 593391400), (40, 519217475), (43, 482993000), (49, 423851000), (50, 415373980), (56, 370869625), (70, 296695700), (86, 241496500), (98, 211925500), (100, 207686990), (125, 166149592), (140, 148347850), (172, 120748250), (175, 118678280), (196, 105962750), (200, 103843495), (215, 96598600), (245, 84770200), (250, 83074796), (280, 74173925), (301, 68999000), (344, 60374125), (350, 59339140), (392, 52981375), (430, 48299300), (490, 42385100), (500, 41537398), (602, 34499500), (700, 29669570), (860, 24149650), (875, 23735656), (980, 21192550), (1000, 20768699), (1075, 19319720), (1204, 17249750), (1225, 16954040), (1400, 14834785), (1505, 13799800), (1720, 12074825), (1750, 11867828), (1960, 10596275), (2107, 9857000), (2150, 9659860), (2408, 8624875), (2450, 8477020), (3010, 6899900), (3500, 5933914), (4214, 4928500), (4300, 4829930), (4900, 4238510), (5375, 3863944), (6020, 3449950), (6125, 3390808), (7000, 2966957), (7525, 2759960), (8428, 2464250), (8600, 2414965), (9800, 2119255), (9857, 2107000), (10535, 1971400), (10750, 1931972), (12040, 1724975), (12250, 1695404), (15050, 1379980), (16856, 1232125), (19714, 1053500), (21070, 985700), (21500, 965986), (24500, 847702), (30100, 689990), (37625, 551992), (39428, 526750), (42140, 492850), (43000, 482993), (49000, 423851), (49285, 421400), (52675, 394280), (60200, 344995), (68999, 301000), (75250, 275996), (78856, 263375), (84280, 246425), (98570, 210700), (105350, 197140), (137998, 150500)]