220795280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 533351280

約数和(自身を除く): 312556000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 296, 370, 388, 485, 592, 740, 769, 776, 970, 1480, 1538, 1552, 1940, 2960, 3076, 3589, 3845, 3880, 6152, 7178, 7690, 7760, 12304, 14356, 15380, 17945, 28453, 28712, 30760, 35890, 56906, 57424, 61520, 71780, 74593, 113812, 142265, 143560, 149186, 227624, 284530, 287120, 298372, 372965, 455248, 569060, 596744, 745930, 1138120, 1193488, 1491860, 2276240, 2759941, 2983720, 5519882, 5967440, 11039764, 13799705, 22079528, 27599410, 44159056, 55198820, 110397640, 220795280]

約数ペア:

[(1, 220795280), (2, 110397640), (4, 55198820), (5, 44159056), (8, 27599410), (10, 22079528), (16, 13799705), (20, 11039764), (37, 5967440), (40, 5519882), (74, 2983720), (80, 2759941), (97, 2276240), (148, 1491860), (185, 1193488), (194, 1138120), (296, 745930), (370, 596744), (388, 569060), (485, 455248), (592, 372965), (740, 298372), (769, 287120), (776, 284530), (970, 227624), (1480, 149186), (1538, 143560), (1552, 142265), (1940, 113812), (2960, 74593), (3076, 71780), (3589, 61520), (3845, 57424), (3880, 56906), (6152, 35890), (7178, 30760), (7690, 28712), (7760, 28453), (12304, 17945), (14356, 15380)]