201214640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1669}}^1$

素因数の和:1830

約数の個数: 80

約数和(自身を含む): 514386720

約数和(自身を除く): 313172080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 685, 880, 1096, 1370, 1507, 1669, 2192, 2740, 3014, 3338, 5480, 6028, 6676, 7535, 8345, 10960, 12056, 13352, 15070, 16690, 18359, 24112, 26704, 30140, 33380, 36718, 60280, 66760, 73436, 91795, 120560, 133520, 146872, 183590, 228653, 293744, 367180, 457306, 734360, 914612, 1143265, 1468720, 1829224, 2286530, 2515183, 3658448, 4573060, 5030366, 9146120, 10060732, 12575915, 18292240, 20121464, 25151830, 40242928, 50303660, 100607320, 201214640]

約数ペア:

[(1, 201214640), (2, 100607320), (4, 50303660), (5, 40242928), (8, 25151830), (10, 20121464), (11, 18292240), (16, 12575915), (20, 10060732), (22, 9146120), (40, 5030366), (44, 4573060), (55, 3658448), (80, 2515183), (88, 2286530), (110, 1829224), (137, 1468720), (176, 1143265), (220, 914612), (274, 734360), (440, 457306), (548, 367180), (685, 293744), (880, 228653), (1096, 183590), (1370, 146872), (1507, 133520), (1669, 120560), (2192, 91795), (2740, 73436), (3014, 66760), (3338, 60280), (5480, 36718), (6028, 33380), (6676, 30140), (7535, 26704), (8345, 24112), (10960, 18359), (12056, 16690), (13352, 15070)]