290147991175

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1783}}^1\times {\mathrm{1871}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 424883377152

約数和(自身を除く): 134735385977

約数列:

[1, 5, 7, 25, 35, 49, 71, 175, 245, 355, 497, 1225, 1775, 1783, 1871, 2485, 3479, 8915, 9355, 12425, 12481, 13097, 17395, 44575, 46775, 62405, 65485, 86975, 87367, 91679, 126593, 132841, 312025, 327425, 436835, 458395, 632965, 664205, 886151, 929887, 2184175, 2291975, 3164825, 3321025, 3335993, 4430755, 4649435, 6203057, 6509209, 16679965, 22153775, 23247175, 23351951, 31015285, 32546045, 83399825, 116759755, 155076425, 162730225, 163463657, 236855503, 583798775, 817318285, 1184277515, 1657988521, 4086591425, 5921387575, 8289942605, 11605919647, 41449713025, 58029598235, 290147991175]

約数ペア:

[(1, 290147991175), (5, 58029598235), (7, 41449713025), (25, 11605919647), (35, 8289942605), (49, 5921387575), (71, 4086591425), (175, 1657988521), (245, 1184277515), (355, 817318285), (497, 583798775), (1225, 236855503), (1775, 163463657), (1783, 162730225), (1871, 155076425), (2485, 116759755), (3479, 83399825), (8915, 32546045), (9355, 31015285), (12425, 23351951), (12481, 23247175), (13097, 22153775), (17395, 16679965), (44575, 6509209), (46775, 6203057), (62405, 4649435), (65485, 4430755), (86975, 3335993), (87367, 3321025), (91679, 3164825), (126593, 2291975), (132841, 2184175), (312025, 929887), (327425, 886151), (436835, 664205), (458395, 632965)]