278399550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13018

約数の個数: 96

約数和(自身を含む): 811198080

約数和(自身を除く): 532798530

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 130, 143, 150, 165, 195, 275, 286, 325, 330, 390, 429, 550, 650, 715, 825, 858, 975, 1430, 1650, 1950, 2145, 3575, 4290, 7150, 10725, 12979, 21450, 25958, 38937, 64895, 77874, 129790, 142769, 168727, 194685, 285538, 324475, 337454, 389370, 428307, 506181, 648950, 713845, 843635, 856614, 973425, 1012362, 1427690, 1687270, 1855997, 1946850, 2141535, 2530905, 3569225, 3711994, 4218175, 4283070, 5061810, 5567991, 7138450, 8436350, 9279985, 10707675, 11135982, 12654525, 18559970, 21415350, 25309050, 27839955, 46399925, 55679910, 92799850, 139199775, 278399550]

約数ペア:

[(1, 278399550), (2, 139199775), (3, 92799850), (5, 55679910), (6, 46399925), (10, 27839955), (11, 25309050), (13, 21415350), (15, 18559970), (22, 12654525), (25, 11135982), (26, 10707675), (30, 9279985), (33, 8436350), (39, 7138450), (50, 5567991), (55, 5061810), (65, 4283070), (66, 4218175), (75, 3711994), (78, 3569225), (110, 2530905), (130, 2141535), (143, 1946850), (150, 1855997), (165, 1687270), (195, 1427690), (275, 1012362), (286, 973425), (325, 856614), (330, 843635), (390, 713845), (429, 648950), (550, 506181), (650, 428307), (715, 389370), (825, 337454), (858, 324475), (975, 285538), (1430, 194685), (1650, 168727), (1950, 142769), (2145, 129790), (3575, 77874), (4290, 64895), (7150, 38937), (10725, 25958), (12979, 21450)]