20100103900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{599}}^1\times {\mathrm{5501}}^1$

素因数の和:6175

約数の個数: 72

約数和(自身を含む): 44414344800

約数和(自身を除く): 24314240900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 599, 610, 1198, 1220, 1525, 2396, 2995, 3050, 5501, 5990, 6100, 11002, 11980, 14975, 22004, 27505, 29950, 36539, 55010, 59900, 73078, 110020, 137525, 146156, 182695, 275050, 335561, 365390, 550100, 671122, 730780, 913475, 1342244, 1677805, 1826950, 3295099, 3355610, 3653900, 6590198, 6711220, 8389025, 13180396, 16475495, 16778050, 32950990, 33556100, 65901980, 82377475, 164754950, 201001039, 329509900, 402002078, 804004156, 1005005195, 2010010390, 4020020780, 5025025975, 10050051950, 20100103900]

約数ペア:

[(1, 20100103900), (2, 10050051950), (4, 5025025975), (5, 4020020780), (10, 2010010390), (20, 1005005195), (25, 804004156), (50, 402002078), (61, 329509900), (100, 201001039), (122, 164754950), (244, 82377475), (305, 65901980), (599, 33556100), (610, 32950990), (1198, 16778050), (1220, 16475495), (1525, 13180396), (2396, 8389025), (2995, 6711220), (3050, 6590198), (5501, 3653900), (5990, 3355610), (6100, 3295099), (11002, 1826950), (11980, 1677805), (14975, 1342244), (22004, 913475), (27505, 730780), (29950, 671122), (36539, 550100), (55010, 365390), (59900, 335561), (73078, 275050), (110020, 182695), (137525, 146156)]