490886400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 216

約数和(自身を含む): 1666219744

約数和(自身を除く): 1175333344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 37, 40, 48, 50, 60, 64, 74, 75, 80, 96, 100, 111, 120, 128, 148, 150, 160, 185, 192, 200, 222, 240, 256, 296, 300, 320, 370, 384, 400, 444, 480, 555, 592, 600, 640, 691, 740, 768, 800, 888, 925, 960, 1110, 1184, 1200, 1280, 1382, 1480, 1600, 1776, 1850, 1920, 2073, 2220, 2368, 2400, 2764, 2775, 2960, 3200, 3455, 3552, 3700, 3840, 4146, 4440, 4736, 4800, 5528, 5550, 5920, 6400, 6910, 7104, 7400, 8292, 8880, 9472, 9600, 10365, 11056, 11100, 11840, 13820, 14208, 14800, 16584, 17275, 17760, 19200, 20730, 22112, 22200, 23680, 25567, 27640, 28416, 29600, 33168, 34550, 35520, 41460, 44224, 44400, 47360, 51134, 51825, 55280, 59200, 66336, 69100, 71040, 76701, 82920, 88448, 88800, 102268, 103650, 110560, 118400, 127835, 132672, 138200, 142080, 153402, 165840, 176896, 177600, 204536, 207300, 221120, 236800, 255670, 265344, 276400, 306804, 331680, 355200, 383505, 409072, 414600, 442240, 511340, 530688, 552800, 613608, 639175, 663360, 710400, 767010, 818144, 829200, 884480, 1022680, 1105600, 1227216, 1278350, 1326720, 1534020, 1636288, 1658400, 1917525, 2045360, 2211200, 2454432, 2556700, 2653440, 3068040, 3272576, 3316800, 3835050, 4090720, 4422400, 4908864, 5113400, 6136080, 6545152, 6633600, 7670100, 8181440, 9817728, 10226800, 12272160, 13267200, 15340200, 16362880, 19635456, 20453600, 24544320, 30680400, 32725760, 40907200, 49088640, 61360800, 81814400, 98177280, 122721600, 163628800, 245443200, 490886400]

約数ペア:

[(1, 490886400), (2, 245443200), (3, 163628800), (4, 122721600), (5, 98177280), (6, 81814400), (8, 61360800), (10, 49088640), (12, 40907200), (15, 32725760), (16, 30680400), (20, 24544320), (24, 20453600), (25, 19635456), (30, 16362880), (32, 15340200), (37, 13267200), (40, 12272160), (48, 10226800), (50, 9817728), (60, 8181440), (64, 7670100), (74, 6633600), (75, 6545152), (80, 6136080), (96, 5113400), (100, 4908864), (111, 4422400), (120, 4090720), (128, 3835050), (148, 3316800), (150, 3272576), (160, 3068040), (185, 2653440), (192, 2556700), (200, 2454432), (222, 2211200), (240, 2045360), (256, 1917525), (296, 1658400), (300, 1636288), (320, 1534020), (370, 1326720), (384, 1278350), (400, 1227216), (444, 1105600), (480, 1022680), (555, 884480), (592, 829200), (600, 818144), (640, 767010), (691, 710400), (740, 663360), (768, 639175), (800, 613608), (888, 552800), (925, 530688), (960, 511340), (1110, 442240), (1184, 414600), (1200, 409072), (1280, 383505), (1382, 355200), (1480, 331680), (1600, 306804), (1776, 276400), (1850, 265344), (1920, 255670), (2073, 236800), (2220, 221120), (2368, 207300), (2400, 204536), (2764, 177600), (2775, 176896), (2960, 165840), (3200, 153402), (3455, 142080), (3552, 138200), (3700, 132672), (3840, 127835), (4146, 118400), (4440, 110560), (4736, 103650), (4800, 102268), (5528, 88800), (5550, 88448), (5920, 82920), (6400, 76701), (6910, 71040), (7104, 69100), (7400, 66336), (8292, 59200), (8880, 55280), (9472, 51825), (9600, 51134), (10365, 47360), (11056, 44400), (11100, 44224), (11840, 41460), (13820, 35520), (14208, 34550), (14800, 33168), (16584, 29600), (17275, 28416), (17760, 27640), (19200, 25567), (20730, 23680), (22112, 22200)]