219802520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 609068160

約数和(自身を除く): 389265640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 238, 244, 280, 305, 340, 427, 476, 488, 595, 610, 680, 757, 854, 952, 1037, 1190, 1220, 1514, 1708, 2074, 2135, 2380, 2440, 3028, 3416, 3785, 4148, 4270, 4760, 5185, 5299, 6056, 7259, 7570, 8296, 8540, 10370, 10598, 12869, 14518, 15140, 17080, 20740, 21196, 25738, 26495, 29036, 30280, 36295, 41480, 42392, 46177, 51476, 52990, 58072, 64345, 72590, 90083, 92354, 102952, 105980, 128690, 145180, 180166, 184708, 211960, 230885, 257380, 290360, 323239, 360332, 369416, 450415, 461770, 514760, 646478, 720664, 785009, 900830, 923540, 1292956, 1570018, 1616195, 1801660, 1847080, 2585912, 3140036, 3232390, 3603320, 3925045, 5495063, 6280072, 6464780, 7850090, 10990126, 12929560, 15700180, 21980252, 27475315, 31400360, 43960504, 54950630, 109901260, 219802520]

約数ペア:

[(1, 219802520), (2, 109901260), (4, 54950630), (5, 43960504), (7, 31400360), (8, 27475315), (10, 21980252), (14, 15700180), (17, 12929560), (20, 10990126), (28, 7850090), (34, 6464780), (35, 6280072), (40, 5495063), (56, 3925045), (61, 3603320), (68, 3232390), (70, 3140036), (85, 2585912), (119, 1847080), (122, 1801660), (136, 1616195), (140, 1570018), (170, 1292956), (238, 923540), (244, 900830), (280, 785009), (305, 720664), (340, 646478), (427, 514760), (476, 461770), (488, 450415), (595, 369416), (610, 360332), (680, 323239), (757, 290360), (854, 257380), (952, 230885), (1037, 211960), (1190, 184708), (1220, 180166), (1514, 145180), (1708, 128690), (2074, 105980), (2135, 102952), (2380, 92354), (2440, 90083), (3028, 72590), (3416, 64345), (3785, 58072), (4148, 52990), (4270, 51476), (4760, 46177), (5185, 42392), (5299, 41480), (6056, 36295), (7259, 30280), (7570, 29036), (8296, 26495), (8540, 25738), (10370, 21196), (10598, 20740), (12869, 17080), (14518, 15140)]