74410840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 130875560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 197, 266, 280, 284, 355, 380, 394, 497, 532, 568, 665, 710, 760, 788, 985, 994, 1064, 1330, 1349, 1379, 1420, 1576, 1970, 1988, 2485, 2660, 2698, 2758, 2840, 3743, 3940, 3976, 4970, 5320, 5396, 5516, 6745, 6895, 7486, 7880, 9443, 9940, 10792, 11032, 13490, 13790, 13987, 14972, 18715, 18886, 19880, 26201, 26980, 27580, 27974, 29944, 37430, 37772, 47215, 52402, 53960, 55160, 55948, 69935, 74860, 75544, 94430, 97909, 104804, 111896, 131005, 139870, 149720, 188860, 195818, 209608, 262010, 265753, 279740, 377720, 391636, 489545, 524020, 531506, 559480, 783272, 979090, 1048040, 1063012, 1328765, 1860271, 1958180, 2126024, 2657530, 3720542, 3916360, 5315060, 7441084, 9301355, 10630120, 14882168, 18602710, 37205420, 74410840]

約数ペア:

[(1, 74410840), (2, 37205420), (4, 18602710), (5, 14882168), (7, 10630120), (8, 9301355), (10, 7441084), (14, 5315060), (19, 3916360), (20, 3720542), (28, 2657530), (35, 2126024), (38, 1958180), (40, 1860271), (56, 1328765), (70, 1063012), (71, 1048040), (76, 979090), (95, 783272), (133, 559480), (140, 531506), (142, 524020), (152, 489545), (190, 391636), (197, 377720), (266, 279740), (280, 265753), (284, 262010), (355, 209608), (380, 195818), (394, 188860), (497, 149720), (532, 139870), (568, 131005), (665, 111896), (710, 104804), (760, 97909), (788, 94430), (985, 75544), (994, 74860), (1064, 69935), (1330, 55948), (1349, 55160), (1379, 53960), (1420, 52402), (1576, 47215), (1970, 37772), (1988, 37430), (2485, 29944), (2660, 27974), (2698, 27580), (2758, 26980), (2840, 26201), (3743, 19880), (3940, 18886), (3976, 18715), (4970, 14972), (5320, 13987), (5396, 13790), (5516, 13490), (6745, 11032), (6895, 10792), (7486, 9940), (7880, 9443)]