201987320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 500774400

約数和(自身を除く): 298787080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 41, 58, 62, 82, 116, 124, 137, 145, 155, 164, 205, 232, 248, 274, 290, 310, 328, 410, 548, 580, 620, 685, 820, 899, 1096, 1160, 1189, 1240, 1271, 1370, 1640, 1798, 2378, 2542, 2740, 3596, 3973, 4247, 4495, 4756, 5084, 5480, 5617, 5945, 6355, 7192, 7946, 8494, 8990, 9512, 10168, 11234, 11890, 12710, 15892, 16988, 17980, 19865, 21235, 22468, 23780, 25420, 28085, 31784, 33976, 35960, 36859, 39730, 42470, 44936, 47560, 50840, 56170, 73718, 79460, 84940, 112340, 123163, 147436, 158920, 162893, 169880, 174127, 184295, 224680, 246326, 294872, 325786, 348254, 368590, 492652, 615815, 651572, 696508, 737180, 814465, 870635, 985304, 1231630, 1303144, 1393016, 1474360, 1628930, 1741270, 2463260, 3257860, 3482540, 4926520, 5049683, 6515720, 6965080, 10099366, 20198732, 25248415, 40397464, 50496830, 100993660, 201987320]

約数ペア:

[(1, 201987320), (2, 100993660), (4, 50496830), (5, 40397464), (8, 25248415), (10, 20198732), (20, 10099366), (29, 6965080), (31, 6515720), (40, 5049683), (41, 4926520), (58, 3482540), (62, 3257860), (82, 2463260), (116, 1741270), (124, 1628930), (137, 1474360), (145, 1393016), (155, 1303144), (164, 1231630), (205, 985304), (232, 870635), (248, 814465), (274, 737180), (290, 696508), (310, 651572), (328, 615815), (410, 492652), (548, 368590), (580, 348254), (620, 325786), (685, 294872), (820, 246326), (899, 224680), (1096, 184295), (1160, 174127), (1189, 169880), (1240, 162893), (1271, 158920), (1370, 147436), (1640, 123163), (1798, 112340), (2378, 84940), (2542, 79460), (2740, 73718), (3596, 56170), (3973, 50840), (4247, 47560), (4495, 44936), (4756, 42470), (5084, 39730), (5480, 36859), (5617, 35960), (5945, 33976), (6355, 31784), (7192, 28085), (7946, 25420), (8494, 23780), (8990, 22468), (9512, 21235), (10168, 19865), (11234, 17980), (11890, 16988), (12710, 15892)]