201211900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 463564080

約数和(自身を除く): 262352180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 137, 190, 274, 380, 475, 548, 685, 773, 950, 1370, 1546, 1900, 2603, 2740, 3092, 3425, 3865, 5206, 6850, 7730, 10412, 13015, 13700, 14687, 15460, 19325, 26030, 29374, 38650, 52060, 58748, 65075, 73435, 77300, 105901, 130150, 146870, 211802, 260300, 293740, 367175, 423604, 529505, 734350, 1059010, 1468700, 2012119, 2118020, 2647525, 4024238, 5295050, 8048476, 10060595, 10590100, 20121190, 40242380, 50302975, 100605950, 201211900]

約数ペア:

[(1, 201211900), (2, 100605950), (4, 50302975), (5, 40242380), (10, 20121190), (19, 10590100), (20, 10060595), (25, 8048476), (38, 5295050), (50, 4024238), (76, 2647525), (95, 2118020), (100, 2012119), (137, 1468700), (190, 1059010), (274, 734350), (380, 529505), (475, 423604), (548, 367175), (685, 293740), (773, 260300), (950, 211802), (1370, 146870), (1546, 130150), (1900, 105901), (2603, 77300), (2740, 73435), (3092, 65075), (3425, 58748), (3865, 52060), (5206, 38650), (6850, 29374), (7730, 26030), (10412, 19325), (13015, 15460), (13700, 14687)]