320463500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 866611200

約数和(自身を除く): 546147700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 61, 70, 76, 79, 95, 100, 122, 125, 133, 140, 158, 175, 190, 244, 250, 266, 305, 316, 350, 380, 395, 427, 475, 500, 532, 553, 610, 665, 700, 790, 854, 875, 950, 1106, 1159, 1220, 1330, 1501, 1525, 1580, 1708, 1750, 1900, 1975, 2135, 2212, 2318, 2375, 2660, 2765, 3002, 3050, 3325, 3500, 3950, 4270, 4636, 4750, 4819, 5530, 5795, 6004, 6100, 6650, 7505, 7625, 7900, 8113, 8540, 9500, 9638, 9875, 10507, 10675, 11060, 11590, 13300, 13825, 15010, 15250, 16226, 16625, 19276, 19750, 21014, 21350, 23180, 24095, 27650, 28975, 30020, 30500, 32452, 33250, 33733, 37525, 39500, 40565, 42028, 42700, 48190, 52535, 53375, 55300, 57950, 66500, 67466, 69125, 75050, 81130, 91561, 96380, 105070, 106750, 115900, 120475, 134932, 138250, 144875, 150100, 162260, 168665, 183122, 187625, 202825, 210140, 213500, 240950, 262675, 276500, 289750, 337330, 366244, 375250, 405650, 457805, 481900, 525350, 579500, 602375, 640927, 674660, 750500, 811300, 843325, 915610, 1014125, 1050700, 1204750, 1281854, 1313375, 1686650, 1831220, 2028250, 2289025, 2409500, 2563708, 2626750, 3204635, 3373300, 4056500, 4216625, 4578050, 5253500, 6409270, 8433250, 9156100, 11445125, 12818540, 16023175, 16866500, 22890250, 32046350, 45780500, 64092700, 80115875, 160231750, 320463500]

約数ペア:

[(1, 320463500), (2, 160231750), (4, 80115875), (5, 64092700), (7, 45780500), (10, 32046350), (14, 22890250), (19, 16866500), (20, 16023175), (25, 12818540), (28, 11445125), (35, 9156100), (38, 8433250), (50, 6409270), (61, 5253500), (70, 4578050), (76, 4216625), (79, 4056500), (95, 3373300), (100, 3204635), (122, 2626750), (125, 2563708), (133, 2409500), (140, 2289025), (158, 2028250), (175, 1831220), (190, 1686650), (244, 1313375), (250, 1281854), (266, 1204750), (305, 1050700), (316, 1014125), (350, 915610), (380, 843325), (395, 811300), (427, 750500), (475, 674660), (500, 640927), (532, 602375), (553, 579500), (610, 525350), (665, 481900), (700, 457805), (790, 405650), (854, 375250), (875, 366244), (950, 337330), (1106, 289750), (1159, 276500), (1220, 262675), (1330, 240950), (1501, 213500), (1525, 210140), (1580, 202825), (1708, 187625), (1750, 183122), (1900, 168665), (1975, 162260), (2135, 150100), (2212, 144875), (2318, 138250), (2375, 134932), (2660, 120475), (2765, 115900), (3002, 106750), (3050, 105070), (3325, 96380), (3500, 91561), (3950, 81130), (4270, 75050), (4636, 69125), (4750, 67466), (4819, 66500), (5530, 57950), (5795, 55300), (6004, 53375), (6100, 52535), (6650, 48190), (7505, 42700), (7625, 42028), (7900, 40565), (8113, 39500), (8540, 37525), (9500, 33733), (9638, 33250), (9875, 32452), (10507, 30500), (10675, 30020), (11060, 28975), (11590, 27650), (13300, 24095), (13825, 23180), (15010, 21350), (15250, 21014), (16226, 19750), (16625, 19276)]