28955550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 79994880

約数和(自身を除く): 51039330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 186, 195, 310, 325, 390, 403, 465, 479, 650, 775, 806, 930, 958, 975, 1209, 1437, 1550, 1950, 2015, 2325, 2395, 2418, 2874, 4030, 4650, 4790, 6045, 6227, 7185, 10075, 11975, 12090, 12454, 14370, 14849, 18681, 20150, 23950, 29698, 30225, 31135, 35925, 37362, 44547, 60450, 62270, 71850, 74245, 89094, 93405, 148490, 155675, 186810, 193037, 222735, 311350, 371225, 386074, 445470, 467025, 579111, 742450, 934050, 965185, 1113675, 1158222, 1930370, 2227350, 2895555, 4825925, 5791110, 9651850, 14477775, 28955550]

約数ペア:

[(1, 28955550), (2, 14477775), (3, 9651850), (5, 5791110), (6, 4825925), (10, 2895555), (13, 2227350), (15, 1930370), (25, 1158222), (26, 1113675), (30, 965185), (31, 934050), (39, 742450), (50, 579111), (62, 467025), (65, 445470), (75, 386074), (78, 371225), (93, 311350), (130, 222735), (150, 193037), (155, 186810), (186, 155675), (195, 148490), (310, 93405), (325, 89094), (390, 74245), (403, 71850), (465, 62270), (479, 60450), (650, 44547), (775, 37362), (806, 35925), (930, 31135), (958, 30225), (975, 29698), (1209, 23950), (1437, 20150), (1550, 18681), (1950, 14849), (2015, 14370), (2325, 12454), (2395, 12090), (2418, 11975), (2874, 10075), (4030, 7185), (4650, 6227), (4790, 6045)]