28784600500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{929}}^1\times {\mathrm{1999}}^1$

素因数の和:2978

約数の個数: 96

約数和(自身を含む): 64995840000

約数和(自身を除く): 36211239500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 929, 1550, 1858, 1999, 3100, 3716, 3875, 3998, 4645, 7750, 7996, 9290, 9995, 15500, 18580, 19990, 23225, 28799, 39980, 46450, 49975, 57598, 61969, 92900, 99950, 115196, 116125, 123938, 143995, 199900, 232250, 247876, 249875, 287990, 309845, 464500, 499750, 575980, 619690, 719975, 999500, 1239380, 1439950, 1549225, 1857071, 2879900, 3098450, 3599875, 3714142, 6196900, 7199750, 7428284, 7746125, 9285355, 14399500, 15492250, 18570710, 30984500, 37141420, 46426775, 57569201, 92853550, 115138402, 185707100, 230276804, 232133875, 287846005, 464267750, 575692010, 928535500, 1151384020, 1439230025, 2878460050, 5756920100, 7196150125, 14392300250, 28784600500]

約数ペア:

[(1, 28784600500), (2, 14392300250), (4, 7196150125), (5, 5756920100), (10, 2878460050), (20, 1439230025), (25, 1151384020), (31, 928535500), (50, 575692010), (62, 464267750), (100, 287846005), (124, 232133875), (125, 230276804), (155, 185707100), (250, 115138402), (310, 92853550), (500, 57569201), (620, 46426775), (775, 37141420), (929, 30984500), (1550, 18570710), (1858, 15492250), (1999, 14399500), (3100, 9285355), (3716, 7746125), (3875, 7428284), (3998, 7199750), (4645, 6196900), (7750, 3714142), (7996, 3599875), (9290, 3098450), (9995, 2879900), (15500, 1857071), (18580, 1549225), (19990, 1439950), (23225, 1239380), (28799, 999500), (39980, 719975), (46450, 619690), (49975, 575980), (57598, 499750), (61969, 464500), (92900, 309845), (99950, 287990), (115196, 249875), (116125, 247876), (123938, 232250), (143995, 199900)]