198547720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37321}}^1$

素因数の和:37358

約数の個数: 64

約数和(自身を含む): 537436800

約数和(自身を除く): 338889080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 37321, 74642, 149284, 186605, 261247, 298568, 373210, 522494, 709099, 746420, 1044988, 1306235, 1418198, 1492840, 2089976, 2612470, 2836396, 3545495, 4963693, 5224940, 5672792, 7090990, 9927386, 10449880, 14181980, 19854772, 24818465, 28363960, 39709544, 49636930, 99273860, 198547720]

約数ペア:

[(1, 198547720), (2, 99273860), (4, 49636930), (5, 39709544), (7, 28363960), (8, 24818465), (10, 19854772), (14, 14181980), (19, 10449880), (20, 9927386), (28, 7090990), (35, 5672792), (38, 5224940), (40, 4963693), (56, 3545495), (70, 2836396), (76, 2612470), (95, 2089976), (133, 1492840), (140, 1418198), (152, 1306235), (190, 1044988), (266, 746420), (280, 709099), (380, 522494), (532, 373210), (665, 298568), (760, 261247), (1064, 186605), (1330, 149284), (2660, 74642), (5320, 37321)]