1948978178540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{262553}}^1$

素因数の和:262811

約数の個数: 96

約数和(自身を含む): 4287401798400

約数和(自身を除く): 2338423619860

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 149, 188, 212, 235, 265, 298, 470, 530, 596, 745, 940, 1060, 1490, 2491, 2980, 4982, 7003, 7897, 9964, 12455, 14006, 15794, 24910, 28012, 31588, 35015, 39485, 49820, 70030, 78970, 140060, 157940, 262553, 371159, 525106, 742318, 1050212, 1312765, 1484636, 1855795, 2625530, 3711590, 5251060, 7423180, 12339991, 13915309, 24679982, 27830618, 39120397, 49359964, 55661236, 61699955, 69576545, 78240794, 123399910, 139153090, 156481588, 195601985, 246799820, 278306180, 391203970, 654019523, 782407940, 1308039046, 1838658659, 2073381041, 2616078092, 3270097615, 3677317318, 4146762082, 6540195230, 7354634636, 8293524164, 9193293295, 10366905205, 13080390460, 18386586590, 20733810410, 36773173180, 41467620820, 97448908927, 194897817854, 389795635708, 487244544635, 974489089270, 1948978178540]

約数ペア:

[(1, 1948978178540), (2, 974489089270), (4, 487244544635), (5, 389795635708), (10, 194897817854), (20, 97448908927), (47, 41467620820), (53, 36773173180), (94, 20733810410), (106, 18386586590), (149, 13080390460), (188, 10366905205), (212, 9193293295), (235, 8293524164), (265, 7354634636), (298, 6540195230), (470, 4146762082), (530, 3677317318), (596, 3270097615), (745, 2616078092), (940, 2073381041), (1060, 1838658659), (1490, 1308039046), (2491, 782407940), (2980, 654019523), (4982, 391203970), (7003, 278306180), (7897, 246799820), (9964, 195601985), (12455, 156481588), (14006, 139153090), (15794, 123399910), (24910, 78240794), (28012, 69576545), (31588, 61699955), (35015, 55661236), (39485, 49359964), (49820, 39120397), (70030, 27830618), (78970, 24679982), (140060, 13915309), (157940, 12339991), (262553, 7423180), (371159, 5251060), (525106, 3711590), (742318, 2625530), (1050212, 1855795), (1312765, 1484636)]