1994804775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:694

約数の個数: 108

約数和(自身を含む): 3869283600

約数和(自身を除く): 1874478825

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 171, 205, 225, 285, 361, 369, 475, 599, 615, 779, 855, 1025, 1083, 1425, 1797, 1805, 1845, 2337, 2995, 3075, 3249, 3895, 4275, 5391, 5415, 7011, 8985, 9025, 9225, 11381, 11685, 14801, 14975, 16245, 19475, 24559, 26955, 27075, 34143, 35055, 44403, 44925, 56905, 58425, 73677, 74005, 81225, 102429, 122795, 133209, 134775, 170715, 175275, 216239, 221031, 222015, 284525, 368385, 370025, 466621, 512145, 613975, 648717, 666045, 853575, 1081195, 1105155, 1110075, 1399863, 1841925, 1946151, 2333105, 2560725, 3243585, 3330225, 4199589, 5405975, 5525775, 6999315, 8865799, 9730755, 11665525, 16217925, 20997945, 26597397, 34996575, 44328995, 48653775, 79792191, 104989725, 132986985, 221644975, 398960955, 664934925, 1994804775]

約数ペア:

[(1, 1994804775), (3, 664934925), (5, 398960955), (9, 221644975), (15, 132986985), (19, 104989725), (25, 79792191), (41, 48653775), (45, 44328995), (57, 34996575), (75, 26597397), (95, 20997945), (123, 16217925), (171, 11665525), (205, 9730755), (225, 8865799), (285, 6999315), (361, 5525775), (369, 5405975), (475, 4199589), (599, 3330225), (615, 3243585), (779, 2560725), (855, 2333105), (1025, 1946151), (1083, 1841925), (1425, 1399863), (1797, 1110075), (1805, 1105155), (1845, 1081195), (2337, 853575), (2995, 666045), (3075, 648717), (3249, 613975), (3895, 512145), (4275, 466621), (5391, 370025), (5415, 368385), (7011, 284525), (8985, 222015), (9025, 221031), (9225, 216239), (11381, 175275), (11685, 170715), (14801, 134775), (14975, 133209), (16245, 122795), (19475, 102429), (24559, 81225), (26955, 74005), (27075, 73677), (34143, 58425), (35055, 56905), (44403, 44925)]