201357440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 525096000

約数和(自身を除く): 323738560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 290, 304, 320, 380, 464, 551, 571, 580, 608, 640, 760, 928, 1102, 1142, 1160, 1216, 1520, 1856, 2204, 2284, 2320, 2432, 2755, 2855, 3040, 3712, 4408, 4568, 4640, 5510, 5710, 6080, 8816, 9136, 9280, 10849, 11020, 11420, 12160, 16559, 17632, 18272, 18560, 21698, 22040, 22840, 33118, 35264, 36544, 43396, 44080, 45680, 54245, 66236, 70528, 73088, 82795, 86792, 88160, 91360, 108490, 132472, 165590, 173584, 176320, 182720, 216980, 264944, 314621, 331180, 347168, 352640, 365440, 433960, 529888, 629242, 662360, 694336, 867920, 1059776, 1258484, 1324720, 1388672, 1573105, 1735840, 2119552, 2516968, 2649440, 3146210, 3471680, 5033936, 5298880, 6292420, 6943360, 10067872, 10597760, 12584840, 20135744, 25169680, 40271488, 50339360, 100678720, 201357440]

約数ペア:

[(1, 201357440), (2, 100678720), (4, 50339360), (5, 40271488), (8, 25169680), (10, 20135744), (16, 12584840), (19, 10597760), (20, 10067872), (29, 6943360), (32, 6292420), (38, 5298880), (40, 5033936), (58, 3471680), (64, 3146210), (76, 2649440), (80, 2516968), (95, 2119552), (116, 1735840), (128, 1573105), (145, 1388672), (152, 1324720), (160, 1258484), (190, 1059776), (232, 867920), (290, 694336), (304, 662360), (320, 629242), (380, 529888), (464, 433960), (551, 365440), (571, 352640), (580, 347168), (608, 331180), (640, 314621), (760, 264944), (928, 216980), (1102, 182720), (1142, 176320), (1160, 173584), (1216, 165590), (1520, 132472), (1856, 108490), (2204, 91360), (2284, 88160), (2320, 86792), (2432, 82795), (2755, 73088), (2855, 70528), (3040, 66236), (3712, 54245), (4408, 45680), (4568, 44080), (4640, 43396), (5510, 36544), (5710, 35264), (6080, 33118), (8816, 22840), (9136, 22040), (9280, 21698), (10849, 18560), (11020, 18272), (11420, 17632), (12160, 16559)]