2990558500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 6653398752

約数和(自身を除く): 3662840252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 197, 250, 313, 388, 394, 485, 500, 626, 788, 970, 985, 1252, 1565, 1940, 1970, 2425, 3130, 3940, 4850, 4925, 6260, 7825, 9700, 9850, 12125, 15650, 19109, 19700, 24250, 24625, 30361, 31300, 38218, 39125, 48500, 49250, 60722, 61661, 76436, 78250, 95545, 98500, 121444, 123322, 151805, 156500, 191090, 246644, 303610, 308305, 382180, 477725, 607220, 616610, 759025, 955450, 1233220, 1518050, 1541525, 1910900, 2388625, 3036100, 3083050, 3795125, 4777250, 5981117, 6166100, 7590250, 7707625, 9554500, 11962234, 15180500, 15415250, 23924468, 29905585, 30830500, 59811170, 119622340, 149527925, 299055850, 598111700, 747639625, 1495279250, 2990558500]

約数ペア:

[(1, 2990558500), (2, 1495279250), (4, 747639625), (5, 598111700), (10, 299055850), (20, 149527925), (25, 119622340), (50, 59811170), (97, 30830500), (100, 29905585), (125, 23924468), (194, 15415250), (197, 15180500), (250, 11962234), (313, 9554500), (388, 7707625), (394, 7590250), (485, 6166100), (500, 5981117), (626, 4777250), (788, 3795125), (970, 3083050), (985, 3036100), (1252, 2388625), (1565, 1910900), (1940, 1541525), (1970, 1518050), (2425, 1233220), (3130, 955450), (3940, 759025), (4850, 616610), (4925, 607220), (6260, 477725), (7825, 382180), (9700, 308305), (9850, 303610), (12125, 246644), (15650, 191090), (19109, 156500), (19700, 151805), (24250, 123322), (24625, 121444), (30361, 98500), (31300, 95545), (38218, 78250), (39125, 76436), (48500, 61661), (49250, 60722)]