389893000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 1085713200

約数和(自身を除く): 695820200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 98, 100, 109, 125, 140, 146, 175, 196, 200, 218, 245, 250, 280, 292, 350, 365, 392, 436, 490, 500, 511, 545, 584, 700, 730, 763, 872, 875, 980, 1000, 1022, 1090, 1225, 1400, 1460, 1526, 1750, 1825, 1960, 2044, 2180, 2450, 2555, 2725, 2920, 3052, 3500, 3577, 3650, 3815, 4088, 4360, 4900, 5110, 5341, 5450, 6104, 6125, 7000, 7154, 7300, 7630, 7957, 9125, 9800, 10220, 10682, 10900, 12250, 12775, 13625, 14308, 14600, 15260, 15914, 17885, 18250, 19075, 20440, 21364, 21800, 24500, 25550, 26705, 27250, 28616, 30520, 31828, 35770, 36500, 38150, 39785, 42728, 49000, 51100, 53410, 54500, 55699, 63656, 63875, 71540, 73000, 76300, 79570, 89425, 95375, 102200, 106820, 109000, 111398, 127750, 133525, 143080, 152600, 159140, 178850, 190750, 198925, 213640, 222796, 255500, 267050, 278495, 318280, 357700, 381500, 389893, 397850, 445592, 447125, 511000, 534100, 556990, 667625, 715400, 763000, 779786, 795700, 894250, 994625, 1068200, 1113980, 1335250, 1392475, 1559572, 1591400, 1788500, 1949465, 1989250, 2227960, 2670500, 2784950, 3119144, 3577000, 3898930, 3978500, 5341000, 5569900, 6962375, 7797860, 7957000, 9747325, 11139800, 13924750, 15595720, 19494650, 27849500, 38989300, 48736625, 55699000, 77978600, 97473250, 194946500, 389893000]

約数ペア:

[(1, 389893000), (2, 194946500), (4, 97473250), (5, 77978600), (7, 55699000), (8, 48736625), (10, 38989300), (14, 27849500), (20, 19494650), (25, 15595720), (28, 13924750), (35, 11139800), (40, 9747325), (49, 7957000), (50, 7797860), (56, 6962375), (70, 5569900), (73, 5341000), (98, 3978500), (100, 3898930), (109, 3577000), (125, 3119144), (140, 2784950), (146, 2670500), (175, 2227960), (196, 1989250), (200, 1949465), (218, 1788500), (245, 1591400), (250, 1559572), (280, 1392475), (292, 1335250), (350, 1113980), (365, 1068200), (392, 994625), (436, 894250), (490, 795700), (500, 779786), (511, 763000), (545, 715400), (584, 667625), (700, 556990), (730, 534100), (763, 511000), (872, 447125), (875, 445592), (980, 397850), (1000, 389893), (1022, 381500), (1090, 357700), (1225, 318280), (1400, 278495), (1460, 267050), (1526, 255500), (1750, 222796), (1825, 213640), (1960, 198925), (2044, 190750), (2180, 178850), (2450, 159140), (2555, 152600), (2725, 143080), (2920, 133525), (3052, 127750), (3500, 111398), (3577, 109000), (3650, 106820), (3815, 102200), (4088, 95375), (4360, 89425), (4900, 79570), (5110, 76300), (5341, 73000), (5450, 71540), (6104, 63875), (6125, 63656), (7000, 55699), (7154, 54500), (7300, 53410), (7630, 51100), (7957, 49000), (9125, 42728), (9800, 39785), (10220, 38150), (10682, 36500), (10900, 35770), (12250, 31828), (12775, 30520), (13625, 28616), (14308, 27250), (14600, 26705), (15260, 25550), (15914, 24500), (17885, 21800), (18250, 21364), (19075, 20440)]