28205450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6199}}^1$

素因数の和:6231

約数の個数: 48

約数和(自身を含む): 64579200

約数和(自身を除く): 36373750

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 6199, 12398, 30995, 43393, 61990, 80587, 86786, 154975, 161174, 216965, 309950, 402935, 433930, 564109, 805870, 1084825, 1128218, 2014675, 2169650, 2820545, 4029350, 5641090, 14102725, 28205450]

約数ペア:

[(1, 28205450), (2, 14102725), (5, 5641090), (7, 4029350), (10, 2820545), (13, 2169650), (14, 2014675), (25, 1128218), (26, 1084825), (35, 805870), (50, 564109), (65, 433930), (70, 402935), (91, 309950), (130, 216965), (175, 161174), (182, 154975), (325, 86786), (350, 80587), (455, 61990), (650, 43393), (910, 30995), (2275, 12398), (4550, 6199)]