397359240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 1238630400

約数和(自身を除く): 841271160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 223, 248, 310, 372, 446, 465, 479, 620, 669, 744, 892, 930, 958, 1115, 1240, 1338, 1437, 1784, 1860, 1916, 2230, 2395, 2676, 2874, 3345, 3720, 3832, 4460, 4790, 5352, 5748, 6690, 6913, 7185, 8920, 9580, 11496, 13380, 13826, 14370, 14849, 19160, 20739, 26760, 27652, 28740, 29698, 34565, 41478, 44547, 55304, 57480, 59396, 69130, 74245, 82956, 89094, 103695, 106817, 118792, 138260, 148490, 165912, 178188, 207390, 213634, 222735, 276520, 296980, 320451, 356376, 414780, 427268, 445470, 534085, 593960, 640902, 829560, 854536, 890940, 1068170, 1281804, 1602255, 1781880, 2136340, 2563608, 3204510, 3311327, 4272680, 6409020, 6622654, 9933981, 12818040, 13245308, 16556635, 19867962, 26490616, 33113270, 39735924, 49669905, 66226540, 79471848, 99339810, 132453080, 198679620, 397359240]

約数ペア:

[(1, 397359240), (2, 198679620), (3, 132453080), (4, 99339810), (5, 79471848), (6, 66226540), (8, 49669905), (10, 39735924), (12, 33113270), (15, 26490616), (20, 19867962), (24, 16556635), (30, 13245308), (31, 12818040), (40, 9933981), (60, 6622654), (62, 6409020), (93, 4272680), (120, 3311327), (124, 3204510), (155, 2563608), (186, 2136340), (223, 1781880), (248, 1602255), (310, 1281804), (372, 1068170), (446, 890940), (465, 854536), (479, 829560), (620, 640902), (669, 593960), (744, 534085), (892, 445470), (930, 427268), (958, 414780), (1115, 356376), (1240, 320451), (1338, 296980), (1437, 276520), (1784, 222735), (1860, 213634), (1916, 207390), (2230, 178188), (2395, 165912), (2676, 148490), (2874, 138260), (3345, 118792), (3720, 106817), (3832, 103695), (4460, 89094), (4790, 82956), (5352, 74245), (5748, 69130), (6690, 59396), (6913, 57480), (7185, 55304), (8920, 44547), (9580, 41478), (11496, 34565), (13380, 29698), (13826, 28740), (14370, 27652), (14849, 26760), (19160, 20739)]