349168000

素因数分解:

$2^7\times 5^3\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 879933600

約数和(自身を除く): 530765600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 139, 157, 160, 200, 250, 278, 314, 320, 400, 500, 556, 628, 640, 695, 785, 800, 1000, 1112, 1256, 1390, 1570, 1600, 2000, 2224, 2512, 2780, 3140, 3200, 3475, 3925, 4000, 4448, 5024, 5560, 6280, 6950, 7850, 8000, 8896, 10048, 11120, 12560, 13900, 15700, 16000, 17375, 17792, 19625, 20096, 21823, 22240, 25120, 27800, 31400, 34750, 39250, 43646, 44480, 50240, 55600, 62800, 69500, 78500, 87292, 88960, 100480, 109115, 111200, 125600, 139000, 157000, 174584, 218230, 222400, 251200, 278000, 314000, 349168, 436460, 444800, 502400, 545575, 556000, 628000, 698336, 872920, 1091150, 1112000, 1256000, 1396672, 1745840, 2182300, 2224000, 2512000, 2727875, 2793344, 3491680, 4364600, 5455750, 6983360, 8729200, 10911500, 13966720, 17458400, 21823000, 34916800, 43646000, 69833600, 87292000, 174584000, 349168000]

約数ペア:

[(1, 349168000), (2, 174584000), (4, 87292000), (5, 69833600), (8, 43646000), (10, 34916800), (16, 21823000), (20, 17458400), (25, 13966720), (32, 10911500), (40, 8729200), (50, 6983360), (64, 5455750), (80, 4364600), (100, 3491680), (125, 2793344), (128, 2727875), (139, 2512000), (157, 2224000), (160, 2182300), (200, 1745840), (250, 1396672), (278, 1256000), (314, 1112000), (320, 1091150), (400, 872920), (500, 698336), (556, 628000), (628, 556000), (640, 545575), (695, 502400), (785, 444800), (800, 436460), (1000, 349168), (1112, 314000), (1256, 278000), (1390, 251200), (1570, 222400), (1600, 218230), (2000, 174584), (2224, 157000), (2512, 139000), (2780, 125600), (3140, 111200), (3200, 109115), (3475, 100480), (3925, 88960), (4000, 87292), (4448, 78500), (5024, 69500), (5560, 62800), (6280, 55600), (6950, 50240), (7850, 44480), (8000, 43646), (8896, 39250), (10048, 34750), (11120, 31400), (12560, 27800), (13900, 25120), (15700, 22240), (16000, 21823), (17375, 20096), (17792, 19625)]