138761750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 276756480

約数和(自身を除く): 137994730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 131, 190, 223, 250, 262, 446, 475, 655, 950, 1115, 1310, 2230, 2375, 2489, 3275, 4237, 4750, 4978, 5575, 6550, 8474, 11150, 12445, 16375, 21185, 24890, 27875, 29213, 32750, 42370, 55750, 58426, 62225, 105925, 124450, 146065, 211850, 292130, 311125, 529625, 555047, 622250, 730325, 1059250, 1110094, 1460650, 2775235, 3651625, 5550470, 7303250, 13876175, 27752350, 69380875, 138761750]

約数ペア:

[(1, 138761750), (2, 69380875), (5, 27752350), (10, 13876175), (19, 7303250), (25, 5550470), (38, 3651625), (50, 2775235), (95, 1460650), (125, 1110094), (131, 1059250), (190, 730325), (223, 622250), (250, 555047), (262, 529625), (446, 311125), (475, 292130), (655, 211850), (950, 146065), (1115, 124450), (1310, 105925), (2230, 62225), (2375, 58426), (2489, 55750), (3275, 42370), (4237, 32750), (4750, 29213), (4978, 27875), (5575, 24890), (6550, 21185), (8474, 16375), (11150, 12445)]