201867856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 429168960

約数和(自身を除く): 227301104

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 131, 137, 148, 152, 262, 274, 296, 304, 524, 548, 592, 703, 1048, 1096, 1406, 2096, 2192, 2489, 2603, 2812, 4847, 4978, 5069, 5206, 5624, 9694, 9956, 10138, 10412, 11248, 17947, 19388, 19912, 20276, 20824, 35894, 38776, 39824, 40552, 41648, 71788, 77552, 81104, 92093, 96311, 143576, 184186, 192622, 287152, 340993, 368372, 385244, 664039, 681986, 736744, 770488, 1328078, 1363972, 1473488, 1540976, 2656156, 2727944, 5312312, 5455888, 10624624, 12616741, 25233482, 50466964, 100933928, 201867856]

約数ペア:

[(1, 201867856), (2, 100933928), (4, 50466964), (8, 25233482), (16, 12616741), (19, 10624624), (37, 5455888), (38, 5312312), (74, 2727944), (76, 2656156), (131, 1540976), (137, 1473488), (148, 1363972), (152, 1328078), (262, 770488), (274, 736744), (296, 681986), (304, 664039), (524, 385244), (548, 368372), (592, 340993), (703, 287152), (1048, 192622), (1096, 184186), (1406, 143576), (2096, 96311), (2192, 92093), (2489, 81104), (2603, 77552), (2812, 71788), (4847, 41648), (4978, 40552), (5069, 39824), (5206, 38776), (5624, 35894), (9694, 20824), (9956, 20276), (10138, 19912), (10412, 19388), (11248, 17947)]