4940390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 11249280

約数和(自身を除く): 6308890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 89, 91, 122, 130, 178, 182, 305, 427, 445, 455, 610, 623, 793, 854, 890, 910, 1157, 1246, 1586, 2135, 2314, 3115, 3965, 4270, 5429, 5551, 5785, 6230, 7930, 8099, 10858, 11102, 11570, 16198, 27145, 27755, 38003, 40495, 54290, 55510, 70577, 76006, 80990, 141154, 190015, 352885, 380030, 494039, 705770, 988078, 2470195, 4940390]

約数ペア:

[(1, 4940390), (2, 2470195), (5, 988078), (7, 705770), (10, 494039), (13, 380030), (14, 352885), (26, 190015), (35, 141154), (61, 80990), (65, 76006), (70, 70577), (89, 55510), (91, 54290), (122, 40495), (130, 38003), (178, 27755), (182, 27145), (305, 16198), (427, 11570), (445, 11102), (455, 10858), (610, 8099), (623, 7930), (793, 6230), (854, 5785), (890, 5551), (910, 5429), (1157, 4270), (1246, 3965), (1586, 3115), (2135, 2314)]