420194460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 192

約数和(自身を含む): 1414103040

約数和(自身を除く): 993908580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 59, 60, 62, 70, 84, 93, 105, 118, 124, 140, 155, 177, 186, 210, 217, 236, 295, 310, 354, 372, 413, 420, 434, 465, 547, 590, 620, 651, 708, 826, 868, 885, 930, 1085, 1094, 1180, 1239, 1302, 1641, 1652, 1770, 1829, 1860, 2065, 2170, 2188, 2478, 2604, 2735, 3255, 3282, 3540, 3658, 3829, 4130, 4340, 4956, 5470, 5487, 6195, 6510, 6564, 7316, 7658, 8205, 8260, 9145, 10940, 10974, 11487, 12390, 12803, 13020, 15316, 16410, 16957, 18290, 19145, 21948, 22974, 24780, 25606, 27435, 32273, 32820, 33914, 36580, 38290, 38409, 45948, 50871, 51212, 54870, 57435, 64015, 64546, 67828, 76580, 76818, 84785, 96819, 101742, 109740, 114870, 118699, 128030, 129092, 153636, 161365, 169570, 192045, 193638, 203484, 225911, 229740, 237398, 254355, 256060, 322730, 339140, 356097, 384090, 387276, 451822, 474796, 484095, 508710, 593495, 645460, 677733, 712194, 768180, 903644, 968190, 1000463, 1017420, 1129555, 1186990, 1355466, 1424388, 1780485, 1936380, 2000926, 2259110, 2373980, 2710932, 3001389, 3388665, 3560970, 4001852, 4518220, 5002315, 6002778, 6777330, 7003241, 7121940, 10004630, 12005556, 13554660, 14006482, 15006945, 20009260, 21009723, 28012964, 30013890, 35016205, 42019446, 60027780, 70032410, 84038892, 105048615, 140064820, 210097230, 420194460]

約数ペア:

[(1, 420194460), (2, 210097230), (3, 140064820), (4, 105048615), (5, 84038892), (6, 70032410), (7, 60027780), (10, 42019446), (12, 35016205), (14, 30013890), (15, 28012964), (20, 21009723), (21, 20009260), (28, 15006945), (30, 14006482), (31, 13554660), (35, 12005556), (42, 10004630), (59, 7121940), (60, 7003241), (62, 6777330), (70, 6002778), (84, 5002315), (93, 4518220), (105, 4001852), (118, 3560970), (124, 3388665), (140, 3001389), (155, 2710932), (177, 2373980), (186, 2259110), (210, 2000926), (217, 1936380), (236, 1780485), (295, 1424388), (310, 1355466), (354, 1186990), (372, 1129555), (413, 1017420), (420, 1000463), (434, 968190), (465, 903644), (547, 768180), (590, 712194), (620, 677733), (651, 645460), (708, 593495), (826, 508710), (868, 484095), (885, 474796), (930, 451822), (1085, 387276), (1094, 384090), (1180, 356097), (1239, 339140), (1302, 322730), (1641, 256060), (1652, 254355), (1770, 237398), (1829, 229740), (1860, 225911), (2065, 203484), (2170, 193638), (2188, 192045), (2478, 169570), (2604, 161365), (2735, 153636), (3255, 129092), (3282, 128030), (3540, 118699), (3658, 114870), (3829, 109740), (4130, 101742), (4340, 96819), (4956, 84785), (5470, 76818), (5487, 76580), (6195, 67828), (6510, 64546), (6564, 64015), (7316, 57435), (7658, 54870), (8205, 51212), (8260, 50871), (9145, 45948), (10940, 38409), (10974, 38290), (11487, 36580), (12390, 33914), (12803, 32820), (13020, 32273), (15316, 27435), (16410, 25606), (16957, 24780), (18290, 22974), (19145, 21948)]