220871656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 456840000

約数和(自身を除く): 235968344

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 89, 116, 152, 178, 232, 356, 551, 563, 712, 1102, 1126, 1691, 2204, 2252, 2581, 3382, 4408, 4504, 5162, 6764, 10324, 10697, 13528, 16327, 20648, 21394, 32654, 42788, 49039, 50107, 65308, 85576, 98078, 100214, 130616, 196156, 200428, 310213, 392312, 400856, 620426, 952033, 1240852, 1453103, 1904066, 2481704, 2906206, 3808132, 5812412, 7616264, 11624824, 27608957, 55217914, 110435828, 220871656]

約数ペア:

[(1, 220871656), (2, 110435828), (4, 55217914), (8, 27608957), (19, 11624824), (29, 7616264), (38, 5812412), (58, 3808132), (76, 2906206), (89, 2481704), (116, 1904066), (152, 1453103), (178, 1240852), (232, 952033), (356, 620426), (551, 400856), (563, 392312), (712, 310213), (1102, 200428), (1126, 196156), (1691, 130616), (2204, 100214), (2252, 98078), (2581, 85576), (3382, 65308), (4408, 50107), (4504, 49039), (5162, 42788), (6764, 32654), (10324, 21394), (10697, 20648), (13528, 16327)]