244980400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 180

約数和(自身を含む): 709909920

約数和(自身を除く): 464929520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 80, 98, 100, 112, 116, 140, 145, 175, 196, 200, 203, 232, 245, 280, 290, 350, 392, 400, 406, 431, 464, 490, 560, 580, 700, 725, 784, 812, 862, 980, 1015, 1160, 1225, 1400, 1421, 1450, 1624, 1724, 1960, 2030, 2155, 2320, 2450, 2800, 2842, 2900, 3017, 3248, 3448, 3920, 4060, 4310, 4900, 5075, 5684, 5800, 6034, 6896, 7105, 8120, 8620, 9800, 10150, 10775, 11368, 11600, 12068, 12499, 14210, 15085, 16240, 17240, 19600, 20300, 21119, 21550, 22736, 24136, 24998, 28420, 30170, 34480, 35525, 40600, 42238, 43100, 48272, 49996, 56840, 60340, 62495, 71050, 75425, 81200, 84476, 86200, 87493, 99992, 105595, 113680, 120680, 124990, 142100, 150850, 168952, 172400, 174986, 199984, 211190, 241360, 249980, 284200, 301700, 312475, 337904, 349972, 422380, 437465, 499960, 527975, 568400, 603400, 612451, 624950, 699944, 844760, 874930, 999920, 1055950, 1206800, 1224902, 1249900, 1399888, 1689520, 1749860, 2111900, 2187325, 2449804, 2499800, 3062255, 3499720, 4223800, 4374650, 4899608, 4999600, 6124510, 6999440, 8447600, 8749300, 9799216, 12249020, 15311275, 17498600, 24498040, 30622550, 34997200, 48996080, 61245100, 122490200, 244980400]

約数ペア:

[(1, 244980400), (2, 122490200), (4, 61245100), (5, 48996080), (7, 34997200), (8, 30622550), (10, 24498040), (14, 17498600), (16, 15311275), (20, 12249020), (25, 9799216), (28, 8749300), (29, 8447600), (35, 6999440), (40, 6124510), (49, 4999600), (50, 4899608), (56, 4374650), (58, 4223800), (70, 3499720), (80, 3062255), (98, 2499800), (100, 2449804), (112, 2187325), (116, 2111900), (140, 1749860), (145, 1689520), (175, 1399888), (196, 1249900), (200, 1224902), (203, 1206800), (232, 1055950), (245, 999920), (280, 874930), (290, 844760), (350, 699944), (392, 624950), (400, 612451), (406, 603400), (431, 568400), (464, 527975), (490, 499960), (560, 437465), (580, 422380), (700, 349972), (725, 337904), (784, 312475), (812, 301700), (862, 284200), (980, 249980), (1015, 241360), (1160, 211190), (1225, 199984), (1400, 174986), (1421, 172400), (1450, 168952), (1624, 150850), (1724, 142100), (1960, 124990), (2030, 120680), (2155, 113680), (2320, 105595), (2450, 99992), (2800, 87493), (2842, 86200), (2900, 84476), (3017, 81200), (3248, 75425), (3448, 71050), (3920, 62495), (4060, 60340), (4310, 56840), (4900, 49996), (5075, 48272), (5684, 43100), (5800, 42238), (6034, 40600), (6896, 35525), (7105, 34480), (8120, 30170), (8620, 28420), (9800, 24998), (10150, 24136), (10775, 22736), (11368, 21550), (11600, 21119), (12068, 20300), (12499, 19600), (14210, 17240), (15085, 16240)]