199600540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 442596672

約数和(自身を除く): 242996132

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 61, 94, 118, 122, 188, 235, 236, 244, 295, 305, 470, 590, 610, 940, 1180, 1220, 2773, 2867, 3481, 3599, 5546, 5734, 6962, 7198, 11092, 11468, 13865, 13924, 14335, 14396, 17405, 17995, 27730, 28670, 34810, 35990, 55460, 57340, 69620, 71980, 163607, 169153, 212341, 327214, 338306, 424682, 654428, 676612, 818035, 845765, 849364, 1061705, 1636070, 1691530, 2123410, 3272140, 3383060, 4246820, 9980027, 19960054, 39920108, 49900135, 99800270, 199600540]

約数ペア:

[(1, 199600540), (2, 99800270), (4, 49900135), (5, 39920108), (10, 19960054), (20, 9980027), (47, 4246820), (59, 3383060), (61, 3272140), (94, 2123410), (118, 1691530), (122, 1636070), (188, 1061705), (235, 849364), (236, 845765), (244, 818035), (295, 676612), (305, 654428), (470, 424682), (590, 338306), (610, 327214), (940, 212341), (1180, 169153), (1220, 163607), (2773, 71980), (2867, 69620), (3481, 57340), (3599, 55460), (5546, 35990), (5734, 34810), (6962, 28670), (7198, 27730), (11092, 17995), (11468, 17405), (13865, 14396), (13924, 14335)]