290248000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 224

約数和(自身を含む): 844466688

約数和(自身を除く): 554218688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 73, 80, 100, 112, 125, 140, 142, 146, 160, 175, 200, 224, 250, 280, 284, 292, 320, 350, 355, 365, 400, 448, 497, 500, 511, 560, 568, 584, 700, 710, 730, 800, 875, 994, 1000, 1022, 1120, 1136, 1168, 1400, 1420, 1460, 1600, 1750, 1775, 1825, 1988, 2000, 2044, 2240, 2272, 2336, 2485, 2555, 2800, 2840, 2920, 3500, 3550, 3650, 3976, 4000, 4088, 4544, 4672, 4970, 5110, 5183, 5600, 5680, 5840, 7000, 7100, 7300, 7952, 8000, 8176, 8875, 9125, 9940, 10220, 10366, 11200, 11360, 11680, 12425, 12775, 14000, 14200, 14600, 15904, 16352, 17750, 18250, 19880, 20440, 20732, 22720, 23360, 24850, 25550, 25915, 28000, 28400, 29200, 31808, 32704, 35500, 36281, 36500, 39760, 40880, 41464, 49700, 51100, 51830, 56000, 56800, 58400, 62125, 63875, 71000, 72562, 73000, 79520, 81760, 82928, 99400, 102200, 103660, 113600, 116800, 124250, 127750, 129575, 142000, 145124, 146000, 159040, 163520, 165856, 181405, 198800, 204400, 207320, 248500, 255500, 259150, 284000, 290248, 292000, 331712, 362810, 397600, 408800, 414640, 497000, 511000, 518300, 568000, 580496, 584000, 647875, 725620, 795200, 817600, 829280, 907025, 994000, 1022000, 1036600, 1160992, 1295750, 1451240, 1658560, 1814050, 1988000, 2044000, 2073200, 2321984, 2591500, 2902480, 3628100, 3976000, 4088000, 4146400, 4535125, 5183000, 5804960, 7256200, 8292800, 9070250, 10366000, 11609920, 14512400, 18140500, 20732000, 29024800, 36281000, 41464000, 58049600, 72562000, 145124000, 290248000]

約数ペア:

[(1, 290248000), (2, 145124000), (4, 72562000), (5, 58049600), (7, 41464000), (8, 36281000), (10, 29024800), (14, 20732000), (16, 18140500), (20, 14512400), (25, 11609920), (28, 10366000), (32, 9070250), (35, 8292800), (40, 7256200), (50, 5804960), (56, 5183000), (64, 4535125), (70, 4146400), (71, 4088000), (73, 3976000), (80, 3628100), (100, 2902480), (112, 2591500), (125, 2321984), (140, 2073200), (142, 2044000), (146, 1988000), (160, 1814050), (175, 1658560), (200, 1451240), (224, 1295750), (250, 1160992), (280, 1036600), (284, 1022000), (292, 994000), (320, 907025), (350, 829280), (355, 817600), (365, 795200), (400, 725620), (448, 647875), (497, 584000), (500, 580496), (511, 568000), (560, 518300), (568, 511000), (584, 497000), (700, 414640), (710, 408800), (730, 397600), (800, 362810), (875, 331712), (994, 292000), (1000, 290248), (1022, 284000), (1120, 259150), (1136, 255500), (1168, 248500), (1400, 207320), (1420, 204400), (1460, 198800), (1600, 181405), (1750, 165856), (1775, 163520), (1825, 159040), (1988, 146000), (2000, 145124), (2044, 142000), (2240, 129575), (2272, 127750), (2336, 124250), (2485, 116800), (2555, 113600), (2800, 103660), (2840, 102200), (2920, 99400), (3500, 82928), (3550, 81760), (3650, 79520), (3976, 73000), (4000, 72562), (4088, 71000), (4544, 63875), (4672, 62125), (4970, 58400), (5110, 56800), (5183, 56000), (5600, 51830), (5680, 51100), (5840, 49700), (7000, 41464), (7100, 40880), (7300, 39760), (7952, 36500), (8000, 36281), (8176, 35500), (8875, 32704), (9125, 31808), (9940, 29200), (10220, 28400), (10366, 28000), (11200, 25915), (11360, 25550), (11680, 24850), (12425, 23360), (12775, 22720), (14000, 20732), (14200, 20440), (14600, 19880), (15904, 18250), (16352, 17750)]