7900920090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{134851}}^1$

素因数の和:134905

約数の個数: 128

約数和(自身を含む): 24855920640

約数和(自身を除く): 16955000550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3906, 4185, 5859, 6510, 8370, 9765, 11718, 19530, 29295, 58590, 134851, 269702, 404553, 674255, 809106, 943957, 1213659, 1348510, 1887914, 2022765, 2427318, 2831871, 3640977, 4045530, 4180381, 4719785, 5663742, 6068295, 7281954, 8360762, 8495613, 9439570, 12136590, 12541143, 14159355, 16991226, 18204885, 20901905, 25082286, 25486839, 28318710, 29262667, 36409770, 37623429, 41803810, 42478065, 50973678, 58525334, 62705715, 75246858, 84956130, 87788001, 112870287, 125411430, 127434195, 146313335, 175576002, 188117145, 225740574, 254868390, 263364003, 292626670, 376234290, 438940005, 526728006, 564351435, 790092009, 877880010, 1128702870, 1316820015, 1580184018, 2633640030, 3950460045, 7900920090]

約数ペア:

[(1, 7900920090), (2, 3950460045), (3, 2633640030), (5, 1580184018), (6, 1316820015), (7, 1128702870), (9, 877880010), (10, 790092009), (14, 564351435), (15, 526728006), (18, 438940005), (21, 376234290), (27, 292626670), (30, 263364003), (31, 254868390), (35, 225740574), (42, 188117145), (45, 175576002), (54, 146313335), (62, 127434195), (63, 125411430), (70, 112870287), (90, 87788001), (93, 84956130), (105, 75246858), (126, 62705715), (135, 58525334), (155, 50973678), (186, 42478065), (189, 41803810), (210, 37623429), (217, 36409770), (270, 29262667), (279, 28318710), (310, 25486839), (315, 25082286), (378, 20901905), (434, 18204885), (465, 16991226), (558, 14159355), (630, 12541143), (651, 12136590), (837, 9439570), (930, 8495613), (945, 8360762), (1085, 7281954), (1302, 6068295), (1395, 5663742), (1674, 4719785), (1890, 4180381), (1953, 4045530), (2170, 3640977), (2790, 2831871), (3255, 2427318), (3906, 2022765), (4185, 1887914), (5859, 1348510), (6510, 1213659), (8370, 943957), (9765, 809106), (11718, 674255), (19530, 404553), (29295, 269702), (58590, 134851)]