420645890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 909512064

約数和(自身を除く): 488866174

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 107, 113, 142, 214, 226, 245, 355, 490, 497, 535, 565, 710, 749, 791, 994, 1070, 1130, 1498, 1582, 2485, 3479, 3745, 3955, 4970, 5243, 5537, 6958, 7490, 7597, 7910, 8023, 10486, 11074, 12091, 15194, 16046, 17395, 24182, 26215, 27685, 34790, 37985, 40115, 52430, 53179, 55370, 56161, 60455, 75970, 80230, 84637, 106358, 112322, 120910, 169274, 265895, 280805, 372253, 393127, 423185, 531790, 561610, 592459, 744506, 786254, 846370, 858461, 1184918, 1716922, 1861265, 1965635, 2962295, 3722530, 3931270, 4292305, 5924590, 6009227, 8584610, 12018454, 30046135, 42064589, 60092270, 84129178, 210322945, 420645890]

約数ペア:

[(1, 420645890), (2, 210322945), (5, 84129178), (7, 60092270), (10, 42064589), (14, 30046135), (35, 12018454), (49, 8584610), (70, 6009227), (71, 5924590), (98, 4292305), (107, 3931270), (113, 3722530), (142, 2962295), (214, 1965635), (226, 1861265), (245, 1716922), (355, 1184918), (490, 858461), (497, 846370), (535, 786254), (565, 744506), (710, 592459), (749, 561610), (791, 531790), (994, 423185), (1070, 393127), (1130, 372253), (1498, 280805), (1582, 265895), (2485, 169274), (3479, 120910), (3745, 112322), (3955, 106358), (4970, 84637), (5243, 80230), (5537, 75970), (6958, 60455), (7490, 56161), (7597, 55370), (7910, 53179), (8023, 52430), (10486, 40115), (11074, 37985), (12091, 34790), (15194, 27685), (16046, 26215), (17395, 24182)]