28905000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 94469760

約数和(自身を除く): 65564760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 41, 47, 50, 60, 75, 82, 94, 100, 120, 123, 125, 141, 150, 164, 188, 200, 205, 235, 246, 250, 282, 300, 328, 375, 376, 410, 470, 492, 500, 564, 600, 615, 625, 705, 750, 820, 940, 984, 1000, 1025, 1128, 1175, 1230, 1250, 1410, 1500, 1640, 1875, 1880, 1927, 2050, 2350, 2460, 2500, 2820, 3000, 3075, 3525, 3750, 3854, 4100, 4700, 4920, 5000, 5125, 5640, 5781, 5875, 6150, 7050, 7500, 7708, 8200, 9400, 9635, 10250, 11562, 11750, 12300, 14100, 15000, 15375, 15416, 17625, 19270, 20500, 23124, 23500, 24600, 25625, 28200, 28905, 29375, 30750, 35250, 38540, 41000, 46248, 47000, 48175, 51250, 57810, 58750, 61500, 70500, 76875, 77080, 88125, 96350, 102500, 115620, 117500, 123000, 141000, 144525, 153750, 176250, 192700, 205000, 231240, 235000, 240875, 289050, 307500, 352500, 385400, 481750, 578100, 615000, 705000, 722625, 963500, 1156200, 1204375, 1445250, 1927000, 2408750, 2890500, 3613125, 4817500, 5781000, 7226250, 9635000, 14452500, 28905000]

約数ペア:

[(1, 28905000), (2, 14452500), (3, 9635000), (4, 7226250), (5, 5781000), (6, 4817500), (8, 3613125), (10, 2890500), (12, 2408750), (15, 1927000), (20, 1445250), (24, 1204375), (25, 1156200), (30, 963500), (40, 722625), (41, 705000), (47, 615000), (50, 578100), (60, 481750), (75, 385400), (82, 352500), (94, 307500), (100, 289050), (120, 240875), (123, 235000), (125, 231240), (141, 205000), (150, 192700), (164, 176250), (188, 153750), (200, 144525), (205, 141000), (235, 123000), (246, 117500), (250, 115620), (282, 102500), (300, 96350), (328, 88125), (375, 77080), (376, 76875), (410, 70500), (470, 61500), (492, 58750), (500, 57810), (564, 51250), (600, 48175), (615, 47000), (625, 46248), (705, 41000), (750, 38540), (820, 35250), (940, 30750), (984, 29375), (1000, 28905), (1025, 28200), (1128, 25625), (1175, 24600), (1230, 23500), (1250, 23124), (1410, 20500), (1500, 19270), (1640, 17625), (1875, 15416), (1880, 15375), (1927, 15000), (2050, 14100), (2350, 12300), (2460, 11750), (2500, 11562), (2820, 10250), (3000, 9635), (3075, 9400), (3525, 8200), (3750, 7708), (3854, 7500), (4100, 7050), (4700, 6150), (4920, 5875), (5000, 5781), (5125, 5640)]