199435840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:696

約数の個数: 112

約数和(自身を含む): 511935984

約数和(自身を除く): 312500144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 136, 160, 170, 244, 272, 305, 320, 340, 488, 544, 601, 610, 680, 976, 1037, 1088, 1202, 1220, 1360, 1952, 2074, 2404, 2440, 2720, 3005, 3904, 4148, 4808, 4880, 5185, 5440, 6010, 8296, 9616, 9760, 10217, 10370, 12020, 16592, 19232, 19520, 20434, 20740, 24040, 33184, 36661, 38464, 40868, 41480, 48080, 51085, 66368, 73322, 81736, 82960, 96160, 102170, 146644, 163472, 165920, 183305, 192320, 204340, 293288, 326944, 331840, 366610, 408680, 586576, 623237, 653888, 733220, 817360, 1173152, 1246474, 1466440, 1634720, 2346304, 2492948, 2932880, 3116185, 3269440, 4985896, 5865760, 6232370, 9971792, 11731520, 12464740, 19943584, 24929480, 39887168, 49858960, 99717920, 199435840]

約数ペア:

[(1, 199435840), (2, 99717920), (4, 49858960), (5, 39887168), (8, 24929480), (10, 19943584), (16, 12464740), (17, 11731520), (20, 9971792), (32, 6232370), (34, 5865760), (40, 4985896), (61, 3269440), (64, 3116185), (68, 2932880), (80, 2492948), (85, 2346304), (122, 1634720), (136, 1466440), (160, 1246474), (170, 1173152), (244, 817360), (272, 733220), (305, 653888), (320, 623237), (340, 586576), (488, 408680), (544, 366610), (601, 331840), (610, 326944), (680, 293288), (976, 204340), (1037, 192320), (1088, 183305), (1202, 165920), (1220, 163472), (1360, 146644), (1952, 102170), (2074, 96160), (2404, 82960), (2440, 81736), (2720, 73322), (3005, 66368), (3904, 51085), (4148, 48080), (4808, 41480), (4880, 40868), (5185, 38464), (5440, 36661), (6010, 33184), (8296, 24040), (9616, 20740), (9760, 20434), (10217, 19520), (10370, 19232), (12020, 16592)]