209970440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5839}}^1$

素因数の和:5910

約数の個数: 64

約数和(自身を含む): 504576000

約数和(自身を除く): 294605560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 5839, 7192, 8990, 11678, 17980, 23356, 29195, 35960, 46712, 58390, 116780, 169331, 181009, 233560, 338662, 362018, 677324, 724036, 846655, 905045, 1354648, 1448072, 1693310, 1810090, 3386620, 3620180, 5249261, 6773240, 7240360, 10498522, 20997044, 26246305, 41994088, 52492610, 104985220, 209970440]

約数ペア:

[(1, 209970440), (2, 104985220), (4, 52492610), (5, 41994088), (8, 26246305), (10, 20997044), (20, 10498522), (29, 7240360), (31, 6773240), (40, 5249261), (58, 3620180), (62, 3386620), (116, 1810090), (124, 1693310), (145, 1448072), (155, 1354648), (232, 905045), (248, 846655), (290, 724036), (310, 677324), (580, 362018), (620, 338662), (899, 233560), (1160, 181009), (1240, 169331), (1798, 116780), (3596, 58390), (4495, 46712), (5839, 35960), (7192, 29195), (8990, 23356), (11678, 17980)]